Base | Representation |
---|---|
bin | 10111101110100010… |
… | …11001110111001000 |
3 | 1012212202200021211000 |
4 | 23313101121313020 |
5 | 202042022004240 |
6 | 5504005335000 |
7 | 630446126343 |
oct | 136721316710 |
9 | 35782607730 |
10 | 12738469320 |
11 | 54475965a5 |
12 | 2576107460 |
13 | 1280152b15 |
14 | 88bb2b45a |
15 | 4e84e1430 |
hex | 2f7459dc8 |
12738469320 has 64 divisors (see below), whose sum is σ = 42461568000. Its totient is φ = 3396924864.
The previous prime is 12738469283. The next prime is 12738469333. The reversal of 12738469320 is 2396483721.
12738469320 is a `hidden beast` number, since 127 + 38 + 469 + 32 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896360 + ... + 5898519.
It is an arithmetic number, because the mean of its divisors is an integer number (663462000).
Almost surely, 212738469320 is an apocalyptic number.
12738469320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12738469320 is an abundant number, since it is smaller than the sum of its proper divisors (29723098680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12738469320 is a wasteful number, since it uses less digits than its factorization.
12738469320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11794899 (or 11794889 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 12738469320 in words is "twelve billion, seven hundred thirty-eight million, four hundred sixty-nine thousand, three hundred twenty".
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