Base | Representation |
---|---|
bin | 11111001101100010100100… |
… | …10000110100110000000000 |
3 | 100000000102211012101121100002 |
4 | 33212301102100310300000 |
5 | 32444003343112012120 |
6 | 401550244134015132 |
7 | 20312466142062245 |
oct | 1746612220646000 |
9 | 300012735347302 |
10 | 68634957532160 |
11 | 1a961a16243188 |
12 | 7845ab84a74a8 |
13 | 2c3b3305a4906 |
14 | 12d3d41c6d5cc |
15 | 7e0545828375 |
hex | 3e6c52434c00 |
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".
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