Base | Representation |
---|---|
bin | 100000011100010100… |
… | …1001100100100111101 |
3 | 20122211102000112222100 |
4 | 1000320221030210331 |
5 | 2120140432102003 |
6 | 52001133335313 |
7 | 5014324350114 |
oct | 1007051144475 |
9 | 218742015870 |
10 | 69669800253 |
11 | 27601871119 |
12 | 11604337539 |
13 | 6753c049a1 |
14 | 352cc20c7b |
15 | 1c2b638ba3 |
hex | 1038a4c93d |
69669800253 has 24 divisors (see below), whose sum is σ = 102814020920. Its totient is φ = 45448335360.
The previous prime is 69669800243. The next prime is 69669800309. The reversal of 69669800253 is 35200896696.
It can be written as a sum of positive squares in 4 ways, for example, as 1170871524 + 68498928729 = 34218^2 + 261723^2 .
It is not a de Polignac number, because 69669800253 - 210 = 69669799229 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69669800253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69669800203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222808 + ... + 434721.
Almost surely, 269669800253 is an apocalyptic number.
It is an amenable number.
69669800253 is a deficient number, since it is larger than the sum of its proper divisors (33144220667).
69669800253 is a wasteful number, since it uses less digits than its factorization.
69669800253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657789 (or 657786 counting only the distinct ones).
The product of its (nonzero) digits is 4199040, while the sum is 54.
The spelling of 69669800253 in words is "sixty-nine billion, six hundred sixty-nine million, eight hundred thousand, two hundred fifty-three".
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