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382138147842 = 23115789971937
BaseRepresentation
bin1011000111110010011…
…01010110010000000010
31100112100212100021011220
411203321031112100002
522230104331212332
6451315110415510
736415511443203
oct5437115262002
91315325307156
10382138147842
11138078027510
1262089361596
132a05cc1a059
14146d1c575aa
159e1872cd2c
hex58f9356402

382138147842 has 16 divisors (see below), whose sum is σ = 833755959072. Its totient is φ = 115799438720.

The previous prime is 382138147841. The next prime is 382138147847. The reversal of 382138147842 is 248741831283.

It is a happy number.

It is a super-2 number, since 2×3821381478422 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382138147841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894985903 + ... + 2894986034.

It is an arithmetic number, because the mean of its divisors is an integer number (52109747442).

Almost surely, 2382138147842 is an apocalyptic number.

382138147842 is an abundant number, since it is smaller than the sum of its proper divisors (451617811230).

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

382138147842 is a wasteful number, since it uses less digits than its factorization.

382138147842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789971953.

The product of its digits is 2064384, while the sum is 51.

The spelling of 382138147842 in words is "three hundred eighty-two billion, one hundred thirty-eight million, one hundred forty-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 5789971937 11579943874 17369915811 34739831622 63689691307 127379382614 191069073921 382138147842