Base | Representation |
---|---|
bin | 111111010101101111… |
… | …101110100110111000 |
3 | 20111112202212211101101 |
4 | 333111233232212320 |
5 | 2103241201134440 |
6 | 51124342301144 |
7 | 4625236201465 |
oct | 772557564670 |
9 | 214482784341 |
10 | 68010568120 |
11 | 269302134a0 |
12 | 112207277b4 |
13 | 654b230621 |
14 | 341270c66c |
15 | 1b80b3969a |
hex | fd5bee9b8 |
68010568120 has 32 divisors (see below), whose sum is σ = 166935031920. Its totient is φ = 24731115520.
The previous prime is 68010568111. The next prime is 68010568121. The reversal of 68010568120 is 2186501086.
It is a self number, because there is not a number n which added to its sum of digits gives 68010568120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68010568121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77284297 + ... + 77285176.
Almost surely, 268010568120 is an apocalyptic number.
It is an amenable number.
68010568120 is an abundant number, since it is smaller than the sum of its proper divisors (98924463800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68010568120 is a wasteful number, since it uses less digits than its factorization.
68010568120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154569495 (or 154569491 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
It can be divided in two parts, 680105 and 68120, that added together give a square (748225 = 8652).
The spelling of 68010568120 in words is "sixty-eight billion, ten million, five hundred sixty-eight thousand, one hundred twenty".
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