Base | Representation |
---|---|
bin | 10111111111111101… |
… | …00101111001101100 |
3 | 1020020221112002022011 |
4 | 23333332211321230 |
5 | 202341420022334 |
6 | 5530304131004 |
7 | 634201502461 |
oct | 137776457154 |
9 | 36227462264 |
10 | 12884532844 |
11 | 5511a8a257 |
12 | 25b7006a64 |
13 | 12a44a4041 |
14 | 8a32ad668 |
15 | 506244564 |
hex | 2fffa5e6c |
12884532844 has 12 divisors (see below), whose sum is σ = 23325447600. Its totient is φ = 6220119248.
The previous prime is 12884532839. The next prime is 12884532851. The reversal of 12884532844 is 44823548821.
It is a super-2 number, since 2×128845328442 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55536664 + ... + 55536895.
It is an arithmetic number, because the mean of its divisors is an integer number (1943787300).
Almost surely, 212884532844 is an apocalyptic number.
It is an amenable number.
12884532844 is a deficient number, since it is larger than the sum of its proper divisors (10440914756).
12884532844 is a wasteful number, since it uses less digits than its factorization.
12884532844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111073592 (or 111073590 counting only the distinct ones).
The product of its digits is 1966080, while the sum is 49.
The spelling of 12884532844 in words is "twelve billion, eight hundred eighty-four million, five hundred thirty-two thousand, eight hundred forty-four".
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