Base | Representation |
---|---|
bin | 100000000010011001… |
… | …1011000110100111011 |
3 | 20120120210110000000202 |
4 | 1000010303120310323 |
5 | 2111400303303020 |
6 | 51334543552415 |
7 | 4653633555332 |
oct | 1000463306473 |
9 | 216523400022 |
10 | 68800056635 |
11 | 271a5924942 |
12 | 11400bbb70b |
13 | 6645972bab |
14 | 34894dcd19 |
15 | 1bca0d6e75 |
hex | 1004cd8d3b |
68800056635 has 32 divisors (see below), whose sum is σ = 88651584000. Its totient is φ = 51073095168.
The previous prime is 68800056557. The next prime is 68800056649. The reversal of 68800056635 is 53665000886.
It is not a de Polignac number, because 68800056635 - 220 = 68799008059 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68800056635.
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, 3510674 + ... + 3530216.
It is an arithmetic number, because the mean of its divisors is an integer number (2770362000).
Almost surely, 268800056635 is an apocalyptic number.
68800056635 is a deficient number, since it is larger than the sum of its proper divisors (19851527365).
68800056635 is a wasteful number, since it uses less digits than its factorization.
68800056635 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20147.
The product of its (nonzero) digits is 1036800, while the sum is 47.
The spelling of 68800056635 in words is "sixty-eight billion, eight hundred million, fifty-six thousand, six hundred thirty-five".
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