Base | Representation |
---|---|
bin | 10110100111110011… |
… | …01001111011101100 |
3 | 1011100102001000101020 |
4 | 23103321221323230 |
5 | 144333112304012 |
6 | 5325050214140 |
7 | 606652101120 |
oct | 132371517354 |
9 | 34312030336 |
10 | 12145041132 |
11 | 5172617184 |
12 | 242b424350 |
13 | 11b7218593 |
14 | 832db5580 |
15 | 4b1370a8c |
hex | 2d3e69eec |
12145041132 has 48 divisors (see below), whose sum is σ = 32707460352. Its totient is φ = 3435652800.
The previous prime is 12145041127. The next prime is 12145041143. The reversal of 12145041132 is 23114054121.
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, 707278 + ... + 724245.
It is an arithmetic number, because the mean of its divisors is an integer number (681405424).
Almost surely, 212145041132 is an apocalyptic number.
12145041132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12145041132 is an abundant number, since it is smaller than the sum of its proper divisors (20562419220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12145041132 is a wasteful number, since it uses less digits than its factorization.
12145041132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1431638 (or 1431636 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 12145041132 its reverse (23114054121), we get a palindrome (35259095253).
The spelling of 12145041132 in words is "twelve billion, one hundred forty-five million, forty-one thousand, one hundred thirty-two".
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