Base | Representation |
---|---|
bin | 11000000111111100… |
… | …10011110001010100 |
3 | 1020102121122210111010 |
4 | 30003332103301110 |
5 | 203011100124234 |
6 | 5541101012220 |
7 | 635644335564 |
oct | 140376236124 |
9 | 36377583433 |
10 | 12951567444 |
11 | 5546905352 |
12 | 2615554070 |
13 | 12b5344b9a |
14 | 8ac15cda4 |
15 | 50c0866e9 |
hex | 303f93c54 |
12951567444 has 48 divisors (see below), whose sum is σ = 31565882880. Its totient is φ = 4125343200.
The previous prime is 12951567443. The next prime is 12951567463. The reversal of 12951567444 is 44476515921.
12951567444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12951567393 and 12951567402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12951567443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258219 + ... + 304269.
It is an arithmetic number, because the mean of its divisors is an integer number (657622560).
Almost surely, 212951567444 is an apocalyptic number.
It is an amenable number.
12951567444 is an abundant number, since it is smaller than the sum of its proper divisors (18614315436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12951567444 is a wasteful number, since it uses less digits than its factorization.
12951567444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47100 (or 47098 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 48.
The spelling of 12951567444 in words is "twelve billion, nine hundred fifty-one million, five hundred sixty-seven thousand, four hundred forty-four".
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