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57161926412160 = 2735337761116089
BaseRepresentation
bin11001111111101000011000…
…10100011000011110000000
321111101121220221020021012120
430333310030110120132000
524443020111130142120
6321323454303524240
715016545552450453
oct1477641424303600
9244347827207176
1057161926412160
1117239267284559
1264b24455b9680
1325b846743896b
14101891b13549a
15691da5ec5140
hex33fd0c518780

57161926412160 has 256 divisors, whose sum is σ = 182986017364800. Its totient is φ = 15177846620160.

The previous prime is 57161926412111. The next prime is 57161926412177. The reversal of 57161926412160 is 6121462916175.

It is a happy number.

It is a super-2 number, since 2×571619264121602 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492339396 + ... + 492455484.

Almost surely, 257161926412160 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 57161926412160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91493008682400).

57161926412160 is an abundant number, since it is smaller than the sum of its proper divisors (125824090952640).

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

57161926412160 is a wasteful number, since it uses less digits than its factorization.

57161926412160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117209 (or 117197 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 57161926412160 in words is "fifty-seven trillion, one hundred sixty-one billion, nine hundred twenty-six million, four hundred twelve thousand, one hundred sixty".