Base | Representation |
---|---|
bin | 10110111011101100… |
… | …11111100000000010 |
3 | 1011210001011121010020 |
4 | 23131312133200002 |
5 | 200203331443010 |
6 | 5353412314310 |
7 | 614050065315 |
oct | 133566374002 |
9 | 34701147106 |
10 | 12311984130 |
11 | 52488809a6 |
12 | 2477312996 |
13 | 121299a314 |
14 | 84b23097c |
15 | 4c0d4a470 |
hex | 2ddd9f802 |
12311984130 has 16 divisors (see below), whose sum is σ = 29548761984. Its totient is φ = 3283195760.
The previous prime is 12311984101. The next prime is 12311984131. The reversal of 12311984130 is 3148911321.
It is a junction number, because it is equal to n+sod(n) for n = 12311984091 and 12311984100.
It is not an unprimeable number, because it can be changed into a prime (12311984131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205199706 + ... + 205199765.
It is an arithmetic number, because the mean of its divisors is an integer number (1846797624).
Almost surely, 212311984130 is an apocalyptic number.
12311984130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12311984130 is an abundant number, since it is smaller than the sum of its proper divisors (17236777854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311984130 is a wasteful number, since it uses less digits than its factorization.
12311984130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410399481.
The product of its (nonzero) digits is 5184, while the sum is 33.
The spelling of 12311984130 in words is "twelve billion, three hundred eleven million, nine hundred eighty-four thousand, one hundred thirty".
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