Base | Representation |
---|---|
bin | 10010010101000001… |
… | …101010111011000000 |
3 | 1212210112121021211220 |
4 | 102111001222323000 |
5 | 310301102043240 |
6 | 13012501035040 |
7 | 1264456123521 |
oct | 222501527300 |
9 | 55715537756 |
10 | 19680112320 |
11 | 8389a01740 |
12 | 39929b5a80 |
13 | 1b1833589b |
14 | d49a16848 |
15 | 7a2b2e5d0 |
hex | 49506aec0 |
19680112320 has 112 divisors (see below), whose sum is σ = 68164789248. Its totient is φ = 4770933760.
The previous prime is 19680112279. The next prime is 19680112337. The reversal of 19680112320 is 2321108691.
It is a Harshad number since it is a multiple of its sum of digits (33).
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, 921264 + ... + 942383.
Almost surely, 219680112320 is an apocalyptic number.
19680112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19680112320 is an abundant number, since it is smaller than the sum of its proper divisors (48484676928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19680112320 is a wasteful number, since it uses less digits than its factorization.
19680112320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1863678 (or 1863668 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The spelling of 19680112320 in words is "nineteen billion, six hundred eighty million, one hundred twelve thousand, three hundred twenty".
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