Base | Representation |
---|---|
bin | 1011110000000010010110… |
… | …0100100111100001011000 |
3 | 1200202010111111010121000120 |
4 | 2330000211210213201120 |
5 | 3143134414321414144 |
6 | 43251152203433240 |
7 | 2502300652602630 |
oct | 274004544474130 |
9 | 50663444117016 |
10 | 12919891982424 |
11 | 4131328226499 |
12 | 1547b65825820 |
13 | 72945736369b |
14 | 32947cbad6c0 |
15 | 17612197ce19 |
hex | bc025927858 |
12919891982424 has 64 divisors (see below), whose sum is σ = 36927406560000. Its totient is φ = 3690054762624.
The previous prime is 12919891982411. The next prime is 12919891982429. The reversal of 12919891982424 is 42428919891921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12919891982429) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13525822 + ... + 14449485.
It is an arithmetic number, because the mean of its divisors is an integer number (576990727500).
Almost surely, 212919891982424 is an apocalyptic number.
12919891982424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12919891982424 is an abundant number, since it is smaller than the sum of its proper divisors (24007514577576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12919891982424 is a wasteful number, since it uses less digits than its factorization.
12919891982424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27978072 (or 27978068 counting only the distinct ones).
The product of its digits is 53747712, while the sum is 69.
The spelling of 12919891982424 in words is "twelve trillion, nine hundred nineteen billion, eight hundred ninety-one million, nine hundred eighty-two thousand, four hundred twenty-four".
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