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381372506195184 = 243272913046404837
BaseRepresentation
bin101011010110110110011010…
…0110000100100010011110000
31212000022212002200100102001200
41112231230310300210103300
5344441401343041221214
63431040035523531200
7143221153141022220
oct12655546460442360
91760285080312050
10381372506195184
11100576198428409
1236934668829b00
13134a5371a9702a
146a26756372080
152e1559282ed09
hex15adb34c244f0

381372506195184 has 120 divisors (see below), whose sum is σ = 1261848275931360. Its totient is φ = 105206208597504.

The previous prime is 381372506195183. The next prime is 381372506195189. The reversal of 381372506195184 is 481591605273183.

381372506195184 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 7 + 2 + 5 + 0 + 619 + 5 + 1 + 8 + 4 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381372506195183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6523173187 + ... + 6523231650.

It is an arithmetic number, because the mean of its divisors is an integer number (10515402299428).

It is a 2-persistent number, because it is pandigital, and so is 2⋅381372506195184 = 762745012390368, but 3⋅381372506195184 = 1144117518585552 is not.

Almost surely, 2381372506195184 is an apocalyptic number.

It is an amenable number.

381372506195184 is an abundant number, since it is smaller than the sum of its proper divisors (880475769736176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381372506195184 is a wasteful number, since it uses less digits than its factorization.

381372506195184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046404887 (or 13046404878 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

Subtracting from 381372506195184 its sum of digits (63), we obtain a square (381372506195121 = 195287612).

The spelling of 381372506195184 in words is "three hundred eighty-one trillion, three hundred seventy-two billion, five hundred six million, one hundred ninety-five thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 36 42 48 56 58 63 72 84 87 112 116 126 144 168 174 203 232 252 261 336 348 406 464 504 522 609 696 812 1008 1044 1218 1392 1624 1827 2088 2436 3248 3654 4176 4872 7308 9744 14616 29232 13046404837 26092809674 39139214511 52185619348 78278429022 91324833859 104371238696 117417643533 156556858044 182649667718 208742477392 234835287066 273974501577 313113716088 365299335436 378345740273 469670574132 547949003154 626227432176 730598670872 756691480546 821923504731 939341148264 1095898006308 1135037220819 1461197341744 1513382961092 1643847009462 1878682296528 2191796012616 2270074441638 2648420181911 3026765922184 3287694018924 3405111662457 4383592025232 4540148883276 5296840363822 6053531844368 6575388037848 6810223324914 7945260545733 9080297766552 10593680727644 13150776075696 13620446649828 15890521091466 18160595533104 21187361455288 23835781637199 27240893299656 31781042182932 42374722910576 47671563274398 54481786599312 63562084365864 95343126548796 127124168731728 190686253097592 381372506195184