Base | Representation |
---|---|
bin | 100000100011011000… |
… | …1011001011101100001 |
3 | 20200102221000222022100 |
4 | 1001012301121131201 |
5 | 2121132122044301 |
6 | 52040442001013 |
7 | 5023233155334 |
oct | 1010661313541 |
9 | 220387028270 |
10 | 69906831201 |
11 | 27713646a69 |
12 | 1166b7a6169 |
13 | 679105629c |
14 | 35524c261b |
15 | 1c4235a286 |
hex | 1046c59761 |
69906831201 has 27 divisors (see below), whose sum is σ = 104375629137. Its totient is φ = 45085317480.
The previous prime is 69906831193. The next prime is 69906831209. The reversal of 69906831201 is 10213860996.
It is a happy number.
The square root of 69906831201 is 264399.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (69906831193) and next prime (69906831209).
It is not a de Polignac number, because 69906831201 - 23 = 69906831193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69906831209) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24587686 + ... + 24590528.
Almost surely, 269906831201 is an apocalyptic number.
69906831201 is the 264399-th square number.
69906831201 is the 132200-th centered octagonal number.
It is an amenable number.
69906831201 is a deficient number, since it is larger than the sum of its proper divisors (34468797936).
69906831201 is an frugal number, since it uses more digits than its factorization.
69906831201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5754 (or 2877 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The spelling of 69906831201 in words is "sixty-nine billion, nine hundred six million, eight hundred thirty-one thousand, two hundred one".
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