Base | Representation |
---|---|
bin | 10010101110010100… |
… | …011111000000000000 |
3 | 1220220010010010111021 |
4 | 102232110133000000 |
5 | 312133221141444 |
6 | 13122540355224 |
7 | 1311131133433 |
oct | 225624370000 |
9 | 56803103437 |
10 | 20104474624 |
11 | 85874a7393 |
12 | 3a90b45b14 |
13 | 1b85227040 |
14 | d8a11d81a |
15 | 7ca006584 |
hex | 4ae51f000 |
20104474624 has 52 divisors (see below), whose sum is σ = 43296774136. Its totient is φ = 9278963712.
The previous prime is 20104474543. The next prime is 20104474631. The reversal of 20104474624 is 42647440102.
It is a tau number, because it is divible by the number of its divisors (52).
It is a self number, because there is not a number n which added to its sum of digits gives 20104474624.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 135534 + ... + 242029.
Almost surely, 220104474624 is an apocalyptic number.
It is an amenable number.
20104474624 is an abundant number, since it is smaller than the sum of its proper divisors (23192299512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20104474624 is an equidigital number, since it uses as much as digits as its factorization.
20104474624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377600 (or 377578 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 34.
The spelling of 20104474624 in words is "twenty billion, one hundred four million, four hundred seventy-four thousand, six hundred twenty-four".
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