Base | Representation |
---|---|
bin | 1011010101011000101… |
… | …10010010100111101000 |
3 | 1101020012122101201002110 |
4 | 11222230112102213220 |
5 | 22340032234044344 |
6 | 454523340202320 |
7 | 40064436215430 |
oct | 5525426224750 |
9 | 1336178351073 |
10 | 389438581224 |
11 | 140183a21130 |
12 | 635862393a0 |
13 | 2a954543114 |
14 | 14bc565b2c0 |
15 | a1e45de3b9 |
hex | 5aac5929e8 |
389438581224 has 128 divisors (see below), whose sum is σ = 1214026675200. Its totient is φ = 101136867840.
The previous prime is 389438581193. The next prime is 389438581253. The reversal of 389438581224 is 422185834983.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15634572 + ... + 15659460.
It is an arithmetic number, because the mean of its divisors is an integer number (9484583400).
Almost surely, 2389438581224 is an apocalyptic number.
It is an amenable number.
389438581224 is an abundant number, since it is smaller than the sum of its proper divisors (824588093976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389438581224 is a wasteful number, since it uses less digits than its factorization.
389438581224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33383 (or 33379 counting only the distinct ones).
The product of its digits is 13271040, while the sum is 57.
The spelling of 389438581224 in words is "three hundred eighty-nine billion, four hundred thirty-eight million, five hundred eighty-one thousand, two hundred twenty-four".
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