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157044331593 = 3264279271463
BaseRepresentation
bin1001001001000010010…
…0100101010001001001
3120000100200121122011200
42102100210211101021
510033111322102333
6200051205014413
714226463536102
oct2222044452111
9500320548150
10157044331593
11606694817a6
12265299b4409
1311a69b076c6
14785b16b3a9
154142253c13
hex2490925449

157044331593 has 12 divisors (see below), whose sum is σ = 226846176960. Its totient is φ = 104694206616.

The previous prime is 157044331571. The next prime is 157044331597. The reversal of 157044331593 is 395133440751.

157044331593 is a `hidden beast` number, since 1 + 57 + 0 + 4 + 4 + 3 + 3 + 1 + 593 = 666.

It is not a de Polignac number, because 157044331593 - 218 = 157044069449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157044331597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442780 + ... + 714242.

It is an arithmetic number, because the mean of its divisors is an integer number (18903848080).

Almost surely, 2157044331593 is an apocalyptic number.

It is an amenable number.

157044331593 is a deficient number, since it is larger than the sum of its proper divisors (69801845367).

157044331593 is a wasteful number, since it uses less digits than its factorization.

157044331593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335748 (or 335745 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 157044331593 in words is "one hundred fifty-seven billion, forty-four million, three hundred thirty-one thousand, five hundred ninety-three".

Divisors: 1 3 9 64279 192837 271463 578511 814389 2443167 17449370177 52348110531 157044331593