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57231332158161 = 3734761912688037
BaseRepresentation
bin11010000001101001101010…
…01110010010101011010001
321111122021001221101110211210
431000310311032102223101
530000134232013030121
6321415413325530333
715024553522532250
oct1500646516225321
9244567057343753
1057231332158161
1117265742a92817
1265039954139a9
1325c1b78719c15
14101c022c5c797
15693ab9350876
hex340d35392ad1

57231332158161 has 32 divisors (see below), whose sum is σ = 87602274524160. Its totient is φ = 32556688341696.

The previous prime is 57231332158153. The next prime is 57231332158199. The reversal of 57231332158161 is 16185123313275.

It is not a de Polignac number, because 57231332158161 - 23 = 57231332158153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57231332158161.

It is not an unprimeable number, because it can be changed into a prime (57231332157161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833366 + ... + 10854671.

It is an arithmetic number, because the mean of its divisors is an integer number (2737571078880).

Almost surely, 257231332158161 is an apocalyptic number.

It is an amenable number.

57231332158161 is a deficient number, since it is larger than the sum of its proper divisors (30370942365999).

57231332158161 is a wasteful number, since it uses less digits than its factorization.

57231332158161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689013.

The product of its digits is 907200, while the sum is 48.

The spelling of 57231332158161 in words is "fifty-seven trillion, two hundred thirty-one billion, three hundred thirty-two million, one hundred fifty-eight thousand, one hundred sixty-one".

Divisors: 1 3 7 21 347 619 1041 1857 2429 4333 7287 12999 214793 644379 1503551 4510653 12688037 38064111 88816259 266448777 4402748839 7853894903 13208246517 23561684709 30819241873 54977264321 92457725619 164931792963 2725301531341 8175904594023 19077110719387 57231332158161