Base | Representation |
---|---|
bin | 1110101011001010100… |
… | …0110000000100001110 |
3 | 220002201122021112221110 |
4 | 3222302220300010032 |
5 | 13112302403132004 |
6 | 311452051512450 |
7 | 24133254151515 |
oct | 3526250600416 |
9 | 802648245843 |
10 | 252105130254 |
11 | 97a0a85681a |
12 | 40a395b8726 |
13 | 1aa09254bb3 |
14 | c2b823567c |
15 | 6857a46589 |
hex | 3ab2a3010e |
252105130254 has 32 divisors (see below), whose sum is σ = 532133498880. Its totient is φ = 79404268032.
The previous prime is 252105130243. The next prime is 252105130279. The reversal of 252105130254 is 452031501252.
It is a super-2 number, since 2×2521051302542 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2843347 + ... + 2930670.
It is an arithmetic number, because the mean of its divisors is an integer number (16629171840).
Almost surely, 2252105130254 is an apocalyptic number.
252105130254 is an abundant number, since it is smaller than the sum of its proper divisors (280028368626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252105130254 is a wasteful number, since it uses less digits than its factorization.
252105130254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5774424.
The product of its (nonzero) digits is 12000, while the sum is 30.
The spelling of 252105130254 in words is "two hundred fifty-two billion, one hundred five million, one hundred thirty thousand, two hundred fifty-four".
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