Base | Representation |
---|---|
bin | 111111111110110110… |
… | …000001010110011010 |
3 | 20120022211022211211010 |
4 | 333332312001112122 |
5 | 2111144210133420 |
6 | 51321013114350 |
7 | 4651311034644 |
oct | 777666012632 |
9 | 216284284733 |
10 | 68700083610 |
11 | 27154451704 |
12 | 113936289b6 |
13 | 662b03b762 |
14 | 347a117894 |
15 | 1bc143a4e0 |
hex | ffed8159a |
68700083610 has 16 divisors (see below), whose sum is σ = 164880200736. Its totient is φ = 18320022288.
The previous prime is 68700083597. The next prime is 68700083653. The reversal of 68700083610 is 1638000786.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145001364 + ... + 1145001423.
It is an arithmetic number, because the mean of its divisors is an integer number (10305012546).
Almost surely, 268700083610 is an apocalyptic number.
68700083610 is an abundant number, since it is smaller than the sum of its proper divisors (96180117126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68700083610 is a wasteful number, since it uses less digits than its factorization.
68700083610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2290002797.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 68700083610 in words is "sixty-eight billion, seven hundred million, eighty-three thousand, six hundred ten".
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