Base | Representation |
---|---|
bin | 111101000011011010… |
… | …1001100011010110000 |
3 | 110112102100200111102220 |
4 | 1322012311030122300 |
5 | 4122003421012240 |
6 | 140122010041040 |
7 | 12321025023021 |
oct | 1720665143260 |
9 | 415370614386 |
10 | 131111110320 |
11 | 50670892823 |
12 | 214b0a19180 |
13 | c496145568 |
14 | 64bac9ac48 |
15 | 36256915d0 |
hex | 1e86d4c6b0 |
131111110320 has 80 divisors (see below), whose sum is σ = 408938088192. Its totient is φ = 34748455680.
The previous prime is 131111110259. The next prime is 131111110343. The reversal of 131111110320 is 23011111131.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 131111110320.
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, 1636636 + ... + 1714875.
Almost surely, 2131111110320 is an apocalyptic number.
131111110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131111110320 is an abundant number, since it is smaller than the sum of its proper divisors (277826977872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131111110320 is a wasteful number, since it uses less digits than its factorization.
131111110320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3351690 (or 3351684 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 131111110320 its reverse (23011111131), we get a palindrome (154122221451).
The spelling of 131111110320 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred ten thousand, three hundred twenty".
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