Base | Representation |
---|---|
bin | 111101001001101001… |
… | …0100011001000000100 |
3 | 110112221220222220102022 |
4 | 1322103102203020010 |
5 | 4122420423211400 |
6 | 140154434102312 |
7 | 12326143463663 |
oct | 1722322431004 |
9 | 415856886368 |
10 | 131320132100 |
11 | 507688779a3 |
12 | 2154aa1a998 |
13 | c4ca53b0a1 |
14 | 64da94adda |
15 | 3638bcdb85 |
hex | 1e934a3204 |
131320132100 has 36 divisors (see below), whose sum is σ = 299962832400. Its totient is φ = 49763417760.
The previous prime is 131320132079. The next prime is 131320132127. The reversal of 131320132100 is 1231023131.
It is a super-2 number, since 2×1313201321002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34556030 + ... + 34559829.
It is an arithmetic number, because the mean of its divisors is an integer number (8332300900).
Almost surely, 2131320132100 is an apocalyptic number.
131320132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131320132100 is an abundant number, since it is smaller than the sum of its proper divisors (168642700300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131320132100 is a wasteful number, since it uses less digits than its factorization.
131320132100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69115892 (or 69115885 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131320132100 its reverse (1231023131), we get a palindrome (132551155231).
The spelling of 131320132100 in words is "one hundred thirty-one billion, three hundred twenty million, one hundred thirty-two thousand, one hundred".
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