Base | Representation |
---|---|
bin | 100000000000001100… |
… | …0111000100110111001 |
3 | 20120101122002112111112 |
4 | 1000000120320212321 |
5 | 2111222324000212 |
6 | 51323340410105 |
7 | 4652044235051 |
oct | 1000030704671 |
9 | 216348075445 |
10 | 68726000057 |
11 | 27168043060 |
12 | 113a0246935 |
13 | 6633513b30 |
14 | 347d742561 |
15 | 1bc3859422 |
hex | 10006389b9 |
68726000057 has 64 divisors (see below), whose sum is σ = 87384600576. Its totient is φ = 53142946560.
The previous prime is 68726000029. The next prime is 68726000107. The reversal of 68726000057 is 75000062786.
It is a happy number.
It is not a de Polignac number, because 68726000057 - 210 = 68725999033 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68725999978 and 68726000023.
It is not an unprimeable number, because it can be changed into a prime (68726000257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12531638 + ... + 12537120.
It is an arithmetic number, because the mean of its divisors is an integer number (1365384384).
Almost surely, 268726000057 is an apocalyptic number.
It is an amenable number.
68726000057 is a deficient number, since it is larger than the sum of its proper divisors (18658600519).
68726000057 is a wasteful number, since it uses less digits than its factorization.
68726000057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5670.
The product of its (nonzero) digits is 141120, while the sum is 41.
The spelling of 68726000057 in words is "sixty-eight billion, seven hundred twenty-six million, fifty-seven", and thus it is an aban number.
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