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57270442276521 = 34707042497241
BaseRepresentation
bin11010000010110010100000…
…10111100011011010101001
321111210000000120222100020000
431001121100113203122221
530001304331210322041
6321445402235253213
715030436643206035
oct1501312027433251
9244700016870200
1057270442276521
111728029269a591
12650b48b2aa209
1325c576c3094a6
14101dc931851c5
15694b07b58bb6
hex3416505e36a9

57270442276521 has 10 divisors (see below), whose sum is σ = 85552142166282. Its totient is φ = 38180294850960.

The previous prime is 57270442276519. The next prime is 57270442276559. The reversal of 57270442276521 is 12567224407275.

57270442276521 is a `hidden beast` number, since 5 + 7 + 2 + 7 + 0 + 4 + 42 + 2 + 76 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55180220298921 + 2090221977600 = 7428339^2 + 1445760^2 .

It is not a de Polignac number, because 57270442276521 - 21 = 57270442276519 is a prime.

It is a super-2 number, since 2×572704422765212 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57270442276321) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 353521248540 + ... + 353521248701.

Almost surely, 257270442276521 is an apocalyptic number.

It is an amenable number.

57270442276521 is a deficient number, since it is larger than the sum of its proper divisors (28281699889761).

57270442276521 is an equidigital number, since it uses as much as digits as its factorization.

57270442276521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707042497253 (or 707042497244 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 54.

The spelling of 57270442276521 in words is "fifty-seven trillion, two hundred seventy billion, four hundred forty-two million, two hundred seventy-six thousand, five hundred twenty-one".

Divisors: 1 3 9 27 81 707042497241 2121127491723 6363382475169 19090147425507 57270442276521