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57494166553728 = 27333712727712781
BaseRepresentation
bin11010001001010011001110…
…10111111100010010000000
321112120101111022200011212000
431010221213113330102000
530013441023114204403
6322140242215104000
715052550021166012
oct1504514727742200
9245511438604760
1057494166553728
1117357159171353
126546908072000
1326108a47770c8
14102aa3800c1b2
1569a84dca87a3
hex344a675fc480

57494166553728 has 512 divisors, whose sum is σ = 176293925068800. Its totient is φ = 18431702876160.

The previous prime is 57494166553711. The next prime is 57494166553739. The reversal of 57494166553728 is 82735566149475.

57494166553728 is a `hidden beast` number, since 5 + 7 + 4 + 9 + 4 + 1 + 6 + 65 + 537 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4498402698 + ... + 4498415478.

It is an arithmetic number, because the mean of its divisors is an integer number (344324072400).

Almost surely, 257494166553728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57494166553728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88146962534400).

57494166553728 is an abundant number, since it is smaller than the sum of its proper divisors (118799758515072).

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

57494166553728 is a wasteful number, since it uses less digits than its factorization.

57494166553728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13245 (or 13227 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 72.

The spelling of 57494166553728 in words is "fifty-seven trillion, four hundred ninety-four billion, one hundred sixty-six million, five hundred fifty-three thousand, seven hundred twenty-eight".