Base | Representation |
---|---|
bin | 101000010111110010… |
… | …0100110001011111001 |
3 | 22021210002120201210222 |
4 | 1100233210212023321 |
5 | 2410024022444130 |
6 | 103454523345425 |
7 | 6156305216213 |
oct | 1205744461371 |
9 | 267702521728 |
10 | 86697468665 |
11 | 3384a508455 |
12 | 14976982275 |
13 | 8238864a22 |
14 | 42a64635b3 |
15 | 23c6478ce5 |
hex | 142f9262f9 |
86697468665 has 16 divisors (see below), whose sum is σ = 107640921600. Its totient is φ = 66956068032.
The previous prime is 86697468631. The next prime is 86697468667. The reversal of 86697468665 is 56686479668.
It is a cyclic number.
It is not a de Polignac number, because 86697468665 - 210 = 86697467641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (86697468667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984224 + ... + 1068686.
It is an arithmetic number, because the mean of its divisors is an integer number (6727557600).
Almost surely, 286697468665 is an apocalyptic number.
It is an amenable number.
86697468665 is a deficient number, since it is larger than the sum of its proper divisors (20943452935).
86697468665 is a wasteful number, since it uses less digits than its factorization.
86697468665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91576.
The product of its digits is 627056640, while the sum is 71.
The spelling of 86697468665 in words is "eighty-six billion, six hundred ninety-seven million, four hundred sixty-eight thousand, six hundred sixty-five".
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