Base | Representation |
---|---|
bin | 111111001101010101… |
… | …110101001010011000 |
3 | 20111011221112221122211 |
4 | 333031111311022120 |
5 | 2102444101431441 |
6 | 51102344124504 |
7 | 4621604516452 |
oct | 771525651230 |
9 | 214157487584 |
10 | 67869561496 |
11 | 268686640a0 |
12 | 111a1466734 |
13 | 6527c60059 |
14 | 33dbac52d2 |
15 | 1b73584a81 |
hex | fcd575298 |
67869561496 has 32 divisors (see below), whose sum is σ = 146130638400. Its totient is φ = 29226126240.
The previous prime is 67869561451. The next prime is 67869561521. The reversal of 67869561496 is 69416596876.
It is a congruent number.
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, 20294250 + ... + 20297593.
It is an arithmetic number, because the mean of its divisors is an integer number (4566582450).
Almost surely, 267869561496 is an apocalyptic number.
It is an amenable number.
67869561496 is an abundant number, since it is smaller than the sum of its proper divisors (78261076904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67869561496 is a wasteful number, since it uses less digits than its factorization.
67869561496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40591879 (or 40591875 counting only the distinct ones).
The product of its digits is 117573120, while the sum is 67.
The spelling of 67869561496 in words is "sixty-seven billion, eight hundred sixty-nine million, five hundred sixty-one thousand, four hundred ninety-six".
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