Base | Representation |
---|---|
bin | 10010010010000001… |
… | …100101111111101000 |
3 | 1212200000212011010020 |
4 | 102102001211333220 |
5 | 310200204313423 |
6 | 13003501520440 |
7 | 1263305132262 |
oct | 222201457750 |
9 | 55600764106 |
10 | 19629760488 |
11 | 8363540658 |
12 | 3979b73120 |
13 | 1b0aa862c0 |
14 | d4306ab32 |
15 | 79d4d54e3 |
hex | 492065fe8 |
19629760488 has 64 divisors (see below), whose sum is σ = 52862846400. Its totient is φ = 6038384640.
The previous prime is 19629760463. The next prime is 19629760531. The reversal of 19629760488 is 88406792691.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110408 + ... + 2119688.
It is an arithmetic number, because the mean of its divisors is an integer number (825981975).
Almost surely, 219629760488 is an apocalyptic number.
It is an amenable number.
19629760488 is an abundant number, since it is smaller than the sum of its proper divisors (33233085912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19629760488 is a wasteful number, since it uses less digits than its factorization.
19629760488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16082 (or 16078 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 60.
The spelling of 19629760488 in words is "nineteen billion, six hundred twenty-nine million, seven hundred sixty thousand, four hundred eighty-eight".
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