Base | Representation |
---|---|
bin | 100000001111110100… |
… | …1111001100010101001 |
3 | 20121202012010122021021 |
4 | 1000133221321202221 |
5 | 2113311120212100 |
6 | 51451355412441 |
7 | 5001043665652 |
oct | 1003751714251 |
9 | 217665118237 |
10 | 69250554025 |
11 | 27407150234 |
12 | 11507a54121 |
13 | 66b80b50b3 |
14 | 34cd28a529 |
15 | 1c04922a1a |
hex | 101fa798a9 |
69250554025 has 9 divisors (see below), whose sum is σ = 85872318583. Its totient is φ = 55399390600.
The previous prime is 69250554013. The next prime is 69250554047. The reversal of 69250554025 is 52045505296.
The square root of 69250554025 is 263155.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 24930199449 + 44320354576 = 157893^2 + 210524^2 .
It is a de Polignac number, because none of the positive numbers 2k-69250554025 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1289460 + ... + 1342090.
Almost surely, 269250554025 is an apocalyptic number.
69250554025 is the 263155-th square number.
69250554025 is the 131578-th centered octagonal number.
It is an amenable number.
69250554025 is a deficient number, since it is larger than the sum of its proper divisors (16621764558).
69250554025 is an frugal number, since it uses more digits than its factorization.
69250554025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105272 (or 52636 counting only the distinct ones).
The product of its (nonzero) digits is 540000, while the sum is 43.
The spelling of 69250554025 in words is "sixty-nine billion, two hundred fifty million, five hundred fifty-four thousand, twenty-five".
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