Base | Representation |
---|---|
bin | 11000011100010100… |
… | …00010011100101100 |
3 | 1020212112010201102102 |
4 | 30032022002130230 |
5 | 203333314230010 |
6 | 10010042514232 |
7 | 643120452605 |
oct | 141612023454 |
9 | 36775121372 |
10 | 13122414380 |
11 | 5624296169 |
12 | 2662805978 |
13 | 131186284a |
14 | 8c6b12dac |
15 | 51c082ba5 |
hex | 30e28272c |
13122414380 has 24 divisors (see below), whose sum is σ = 27586394640. Its totient is φ = 5243380160.
The previous prime is 13122414379. The next prime is 13122414443. The reversal of 13122414380 is 8341422131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329810 + ... + 367449.
It is an arithmetic number, because the mean of its divisors is an integer number (1149433110).
Almost surely, 213122414380 is an apocalyptic number.
13122414380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13122414380 is an abundant number, since it is smaller than the sum of its proper divisors (14463980260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13122414380 is a wasteful number, since it uses less digits than its factorization.
13122414380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698209 (or 698207 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The spelling of 13122414380 in words is "thirteen billion, one hundred twenty-two million, four hundred fourteen thousand, three hundred eighty".
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