Base | Representation |
---|---|
bin | 100000100101001000… |
… | …0110110000111101001 |
3 | 20200121000020220210011 |
4 | 1001022100312013221 |
5 | 2121242121003242 |
6 | 52050333251521 |
7 | 5024544100354 |
oct | 1011220660751 |
9 | 220530226704 |
10 | 69965406697 |
11 | 2774371466a |
12 | 11687333ba1 |
13 | 67a0224a44 |
14 | 355a1ad29b |
15 | 1c4757ad17 |
hex | 104a4361e9 |
69965406697 has 2 divisors, whose sum is σ = 69965406698. Its totient is φ = 69965406696.
The previous prime is 69965406659. The next prime is 69965406793. The reversal of 69965406697 is 79660456996.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 38892178521 + 31073228176 = 197211^2 + 176276^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69965406697 is a prime.
It is a super-2 number, since 2×699654066972 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (69965406617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34982703348 + 34982703349.
It is an arithmetic number, because the mean of its divisors is an integer number (34982703349).
Almost surely, 269965406697 is an apocalyptic number.
It is an amenable number.
69965406697 is a deficient number, since it is larger than the sum of its proper divisors (1).
69965406697 is an equidigital number, since it uses as much as digits as its factorization.
69965406697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 132269760, while the sum is 67.
The spelling of 69965406697 in words is "sixty-nine billion, nine hundred sixty-five million, four hundred six thousand, six hundred ninety-seven".
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