Base | Representation |
---|---|
bin | 10001100100111010… |
… | …011010101100110000 |
3 | 1210201021200212212211 |
4 | 101210322122230300 |
5 | 302122430420441 |
6 | 12400423501504 |
7 | 1235455020115 |
oct | 214472325460 |
9 | 53637625784 |
10 | 18872904496 |
11 | 8005298536 |
12 | 37a85b7894 |
13 | 1a1a02b014 |
14 | cb073290c |
15 | 756d31a81 |
hex | 464e9ab30 |
18872904496 has 20 divisors (see below), whose sum is σ = 36660265200. Its totient is φ = 9412190912.
The previous prime is 18872904493. The next prime is 18872904511. The reversal of 18872904496 is 69440927881.
It is a self number, because there is not a number n which added to its sum of digits gives 18872904496.
It is not an unprimeable number, because it can be changed into a prime (18872904493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509916 + ... + 1522363.
It is an arithmetic number, because the mean of its divisors is an integer number (1833013260).
Almost surely, 218872904496 is an apocalyptic number.
18872904496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
18872904496 is a deficient number, since it is larger than the sum of its proper divisors (17787360704).
18872904496 is a wasteful number, since it uses less digits than its factorization.
18872904496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3032676 (or 3032670 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 58.
The spelling of 18872904496 in words is "eighteen billion, eight hundred seventy-two million, nine hundred four thousand, four hundred ninety-six".
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