Base | Representation |
---|---|
bin | 10110100110000010… |
… | …01010110100001100 |
3 | 1011022101011201021120 |
4 | 23103001022310030 |
5 | 144320314433422 |
6 | 5323401000540 |
7 | 606412166400 |
oct | 132301126414 |
9 | 34271151246 |
10 | 12130233612 |
11 | 5165223062 |
12 | 2426483150 |
13 | 11b4132733 |
14 | 83103d100 |
15 | 4aede845c |
hex | 2d304ad0c |
12130233612 has 72 divisors (see below), whose sum is σ = 34657842240. Its totient is φ = 3283368480.
The previous prime is 12130233611. The next prime is 12130233613. The reversal of 12130233612 is 21633203121.
It is an interprime number because it is at equal distance from previous prime (12130233611) and next prime (12130233613).
It is not an unprimeable number, because it can be changed into a prime (12130233611) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531714 + ... + 554057.
It is an arithmetic number, because the mean of its divisors is an integer number (481358920).
Almost surely, 212130233612 is an apocalyptic number.
12130233612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12130233612 is an abundant number, since it is smaller than the sum of its proper divisors (22527608628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130233612 is a wasteful number, since it uses less digits than its factorization.
12130233612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1085811 (or 1085802 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 12130233612 its reverse (21633203121), we get a palindrome (33763436733).
The spelling of 12130233612 in words is "twelve billion, one hundred thirty million, two hundred thirty-three thousand, six hundred twelve".
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