Base | Representation |
---|---|
bin | 10110101000110100… |
… | …00110001000010010 |
3 | 1011101000001001210222 |
4 | 23110122012020102 |
5 | 144342301421414 |
6 | 5325552353042 |
7 | 610114300325 |
oct | 132432061022 |
9 | 34330031728 |
10 | 12153545234 |
11 | 51773a5466 |
12 | 2432245782 |
13 | 11b8c052ac |
14 | 83418a7bc |
15 | 4b1ea068e |
hex | 2d4686212 |
12153545234 has 16 divisors (see below), whose sum is σ = 18298542168. Its totient is φ = 6054052992.
The previous prime is 12153545227. The next prime is 12153545273. The reversal of 12153545234 is 43254535121.
It can be written as a sum of positive squares in 4 ways, for example, as 5288925625 + 6864619609 = 72725^2 + 82853^2 .
It is a super-2 number, since 2×121535452342 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12153545194 and 12153545203.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471364 + ... + 1479600.
Almost surely, 212153545234 is an apocalyptic number.
12153545234 is a deficient number, since it is larger than the sum of its proper divisors (6144996934).
12153545234 is a wasteful number, since it uses less digits than its factorization.
12153545234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10909.
The product of its digits is 72000, while the sum is 35.
The spelling of 12153545234 in words is "twelve billion, one hundred fifty-three million, five hundred forty-five thousand, two hundred thirty-four".
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