Base | Representation |
---|---|
bin | 101110101111… |
… | …001101011011 |
3 | 212001110120121 |
4 | 232233031123 |
5 | 11114030440 |
6 | 1114334111 |
7 | 206066050 |
oct | 56571533 |
9 | 25043517 |
10 | 12251995 |
11 | 6a09118 |
12 | 412a337 |
13 | 26cc902 |
14 | 18ad027 |
15 | 112034a |
hex | baf35b |
12251995 has 16 divisors (see below), whose sum is σ = 17258688. Its totient is φ = 8173440.
The previous prime is 12251983. The next prime is 12252029. The reversal of 12251995 is 59915221.
12251995 is nontrivially palindromic in base 6.
It is not a de Polignac number, because 12251995 - 25 = 12251963 is a prime.
It is a super-2 number, since 2×122519952 = 300222762960050, which contains 22 as substring.
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 12251995.
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, 3436 + ... + 6025.
It is an arithmetic number, because the mean of its divisors is an integer number (1078668).
Almost surely, 212251995 is an apocalyptic number.
12251995 is a deficient number, since it is larger than the sum of its proper divisors (5006693).
12251995 is an equidigital number, since it uses as much as digits as its factorization.
12251995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9510.
The product of its digits is 8100, while the sum is 34.
The square root of 12251995 is about 3500.2849883974. The cubic root of 12251995 is about 230.5343279650.
The spelling of 12251995 in words is "twelve million, two hundred fifty-one thousand, nine hundred ninety-five".
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