Base | Representation |
---|---|
bin | 1010100001001101010001… |
… | …10111100000010000010000 |
3 | 10000220022202022220200111002 |
4 | 11100212220313200100100 |
5 | 11012440230343330110 |
6 | 121110201415041132 |
7 | 4605114330664661 |
oct | 520465067402020 |
9 | 100808668820432 |
10 | 23131232011280 |
11 | 740899a493188 |
12 | 2716ba29701a8 |
13 | cba35c00a203 |
14 | 59d7b40c3368 |
15 | 2a1a6a69daa5 |
hex | 1509a8de0410 |
23131232011280 has 40 divisors (see below), whose sum is σ = 53970150219072. Its totient is φ = 9219798474624.
The previous prime is 23131232011241. The next prime is 23131232011291. The reversal of 23131232011280 is 8211023213132.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510826124 + ... + 510871403.
Almost surely, 223131232011280 is an apocalyptic number.
23131232011280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23131232011280 is an abundant number, since it is smaller than the sum of its proper divisors (30838918207792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131232011280 is a wasteful number, since it uses less digits than its factorization.
23131232011280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1021697823 (or 1021697817 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 23131232011280 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred thirty-two million, eleven thousand, two hundred eighty".
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