Base | Representation |
---|---|
bin | 11000000100000100… |
… | …10111101111000110 |
3 | 1020100100112011010002 |
4 | 30002002113233012 |
5 | 202424240442310 |
6 | 5533540401302 |
7 | 635101230641 |
oct | 140202275706 |
9 | 36310464102 |
10 | 12919077830 |
11 | 552a53442a |
12 | 26066a6232 |
13 | 12ab6aa969 |
14 | 8a7b02a58 |
15 | 5092b9da5 |
hex | 302097bc6 |
12919077830 has 16 divisors (see below), whose sum is σ = 23304791664. Its totient is φ = 5156419680.
The previous prime is 12919077803. The next prime is 12919077863. The reversal of 12919077830 is 3877091921.
It is a Curzon number.
It is a congruent number.
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, 1396592 + ... + 1405811.
It is an arithmetic number, because the mean of its divisors is an integer number (1456549479).
Almost surely, 212919077830 is an apocalyptic number.
12919077830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12919077830 is a deficient number, since it is larger than the sum of its proper divisors (10385713834).
12919077830 is a wasteful number, since it uses less digits than its factorization.
12919077830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2802871.
The product of its (nonzero) digits is 190512, while the sum is 47.
The spelling of 12919077830 in words is "twelve billion, nine hundred nineteen million, seventy-seven thousand, eight hundred thirty".
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