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57957291646468 = 22611872171268741
BaseRepresentation
bin11010010110110001110111…
…10001111101111000000100
321121012122220022020111220121
431023120323301331320010
530044033013130141333
6323133113501111324
715131163500422204
oct1513307361757004
9247178808214817
1057957291646468
1117515605211185
126600617858544
132645470114b16
14104520db10404
156a790745832d
hex34b63bc7de04

57957291646468 has 24 divisors (see below), whose sum is σ = 103088601454104. Its totient is φ = 28503411340800.

The previous prime is 57957291646459. The next prime is 57957291646469. The reversal of 57957291646468 is 86464619275975.

It can be written as a sum of positive squares in 4 ways, for example, as 13303249559044 + 44654042087424 = 3647362^2 + 6682368^2 .

It is not an unprimeable number, because it can be changed into a prime (57957291646469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45046578 + ... + 46315318.

It is an arithmetic number, because the mean of its divisors is an integer number (4295358393921).

Almost surely, 257957291646468 is an apocalyptic number.

It is an amenable number.

57957291646468 is a deficient number, since it is larger than the sum of its proper divisors (45131309807636).

57957291646468 is a wasteful number, since it uses less digits than its factorization.

57957291646468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456023 (or 1456021 counting only the distinct ones).

The product of its digits is 5486745600, while the sum is 79.

The spelling of 57957291646468 in words is "fifty-seven trillion, nine hundred fifty-seven billion, two hundred ninety-one million, six hundred forty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 61 122 244 187217 374434 748868 1268741 2537482 5074964 11420237 22840474 45680948 77393201 154786402 309572804 237529883797 475059767594 950119535188 14489322911617 28978645823234 57957291646468