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68634957532160 = 210553277913103
BaseRepresentation
bin11111001101100010100100…
…10000110100110000000000
3100000000102211012101121100002
433212301102100310300000
532444003343112012120
6401550244134015132
720312466142062245
oct1746612220646000
9300012735347302
1068634957532160
111a961a16243188
127845ab84a74a8
132c3b3305a4906
1412d3d41c6d5cc
157e0545828375
hex3e6c52434c00

68634957532160 has 176 divisors, whose sum is σ = 168355726839936. Its totient is φ = 26838712123392.

The previous prime is 68634957532079. The next prime is 68634957532199. The reversal of 68634957532160 is 6123575943686.

It is a happy number.

68634957532160 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74710169 + ... + 75623271.

It is a 1-persistent number, because it is pandigital, but 2⋅68634957532160 = 137269915064320 is not.

Almost surely, 268634957532160 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 68634957532160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84177863419968).

68634957532160 is an abundant number, since it is smaller than the sum of its proper divisors (99720769307776).

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

68634957532160 is a wasteful number, since it uses less digits than its factorization.

68634957532160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913458 (or 913440 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 65.

The spelling of 68634957532160 in words is "sixty-eight trillion, six hundred thirty-four billion, nine hundred fifty-seven million, five hundred thirty-two thousand, one hundred sixty".