Base | Representation |
---|---|
bin | 11110001111000100… |
… | …10111000000000100 |
3 | 1112220021110020200202 |
4 | 33013202113000010 |
5 | 231221014344410 |
6 | 11242424230032 |
7 | 1113154416326 |
oct | 170742270004 |
9 | 45807406622 |
10 | 16232574980 |
11 | 697a957926 |
12 | 319030b318 |
13 | 16b900756b |
14 | addbd3616 |
15 | 650136ca5 |
hex | 3c7897004 |
16232574980 has 12 divisors (see below), whose sum is σ = 34088407500. Its totient is φ = 6493029984.
The previous prime is 16232574979. The next prime is 16232574989. The reversal of 16232574980 is 8947523261.
It can be written as a sum of positive squares in 2 ways, for example, as 12497898436 + 3734676544 = 111794^2 + 61112^2 .
It is not an unprimeable number, because it can be changed into a prime (16232574989) 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, 405814355 + ... + 405814394.
It is an arithmetic number, because the mean of its divisors is an integer number (2840700625).
It is a 1-persistent number, because it is pandigital, but 2⋅16232574980 = 32465149960 is not.
Almost surely, 216232574980 is an apocalyptic number.
16232574980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16232574980 is an abundant number, since it is smaller than the sum of its proper divisors (17855832520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16232574980 is a wasteful number, since it uses less digits than its factorization.
16232574980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 811628758 (or 811628756 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 16232574980 in words is "sixteen billion, two hundred thirty-two million, five hundred seventy-four thousand, nine hundred eighty".
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