Base | Representation |
---|---|
bin | 10111100000010110… |
… | …00110110000001000 |
3 | 1012120110120210210020 |
4 | 23300023012300020 |
5 | 201321030041142 |
6 | 5444113020440 |
7 | 624501640356 |
oct | 136013066010 |
9 | 35513523706 |
10 | 12619377672 |
11 | 5396345250 |
12 | 2542254720 |
13 | 12615864a5 |
14 | 879daa7d6 |
15 | 4dcd19cec |
hex | 2f02c6c08 |
12619377672 has 32 divisors (see below), whose sum is σ = 34416485280. Its totient is φ = 3824053760.
The previous prime is 12619377671. The next prime is 12619377679. The reversal of 12619377672 is 27677391621.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12619377671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23900073 + ... + 23900600.
It is an arithmetic number, because the mean of its divisors is an integer number (1075515165).
Almost surely, 212619377672 is an apocalyptic number.
12619377672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12619377672 is an abundant number, since it is smaller than the sum of its proper divisors (21797107608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12619377672 is a wasteful number, since it uses less digits than its factorization.
12619377672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47800693 (or 47800689 counting only the distinct ones).
The product of its digits is 1333584, while the sum is 51.
The spelling of 12619377672 in words is "twelve billion, six hundred nineteen million, three hundred seventy-seven thousand, six hundred seventy-two".
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