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57974870016 = 21235753157
BaseRepresentation
bin110101111111100100…
…100101000000000000
312112122100221112200000
4311333210211000000
51422213031320031
642344442400000
74121446156440
oct657744450000
9175570845600
1057974870016
1122650336a18
12b29b800000
13560c02471b
142b3d936120
151794a793e6
hexd7f925000

57974870016 has 624 divisors, whose sum is σ = 203506902144. Its totient is φ = 16148201472.

The previous prime is 57974869999. The next prime is 57974870027. The reversal of 57974870016 is 61007847975.

It is a super-2 number, since 2×579748700162 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369266610 + ... + 369266766.

It is an arithmetic number, because the mean of its divisors is an integer number (326132856).

Almost surely, 257974870016 is an apocalyptic number.

57974870016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57974870016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101753451072).

57974870016 is an abundant number, since it is smaller than the sum of its proper divisors (145532032128).

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

57974870016 is an equidigital number, since it uses as much as digits as its factorization.

57974870016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 57974870016 in words is "fifty-seven billion, nine hundred seventy-four million, eight hundred seventy thousand, sixteen".