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381375071580573 = 3276203975910457
BaseRepresentation
bin101011010110110111100110…
…1101010101111000110011101
31212000100002201110120111020100
41112231233031222233012131
5344441422121311034243
63431041142245011313
7143221303541315010
oct12655571552570635
91760302643514210
10381375071580573
11100577294530424
12369350639b3b39
13134a569040a755
146a2691ad63377
152e15692b740d3
hex15adbcdaaf19d

381375071580573 has 24 divisors (see below), whose sum is σ = 629673042068928. Its totient is φ = 217893479332032.

The previous prime is 381375071580571. The next prime is 381375071580617. The reversal of 381375071580573 is 375085170573183.

It is a happy number.

381375071580573 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 7 + 5 + 0 + 7 + 1 + 58 + 0 + 573 = 666.

It is not a de Polignac number, because 381375071580573 - 21 = 381375071580571 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 381375071580573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381375071580571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487564440 + ... + 488346017.

It is an arithmetic number, because the mean of its divisors is an integer number (26236376752872).

Almost surely, 2381375071580573 is an apocalyptic number.

It is an amenable number.

381375071580573 is a deficient number, since it is larger than the sum of its proper divisors (248297970488355).

381375071580573 is a wasteful number, since it uses less digits than its factorization.

381375071580573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975916673 (or 975916670 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

The spelling of 381375071580573 in words is "three hundred eighty-one trillion, three hundred seventy-five billion, seventy-one million, five hundred eighty thousand, five hundred seventy-three".

Divisors: 1 3 7 9 21 63 6203 18609 43421 55827 130263 390789 975910457 2927731371 6831373199 8783194113 20494119597 61482358791 6053572564771 18160717694313 42375007953397 54482153082939 127125023860191 381375071580573