Base | Representation |
---|---|
bin | 111101001001111110… |
… | …0100000101110010110 |
3 | 110112222200200202212111 |
4 | 1322103330200232112 |
5 | 4122431232213220 |
6 | 140155505541234 |
7 | 12326336130400 |
oct | 1722374405626 |
9 | 415880622774 |
10 | 131331132310 |
11 | 50774000584 |
12 | 2155264481a |
13 | c4cc8bcca1 |
14 | 64dc1b1b70 |
15 | 3639b5315a |
hex | 1e93f20b96 |
131331132310 has 96 divisors (see below), whose sum is σ = 277576256160. Its totient is φ = 44606016000.
The previous prime is 131331132301. The next prime is 131331132323. The reversal of 131331132310 is 13231133131.
It is a super-2 number, since 2×1313311323102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35483460 + ... + 35487160.
It is an arithmetic number, because the mean of its divisors is an integer number (2891419335).
Almost surely, 2131331132310 is an apocalyptic number.
131331132310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131331132310 is an abundant number, since it is smaller than the sum of its proper divisors (146245123850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131331132310 is a wasteful number, since it uses less digits than its factorization.
131331132310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4382 (or 4375 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 131331132310 its reverse (13231133131), we get a palindrome (144562265441).
The spelling of 131331132310 in words is "one hundred thirty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred ten".
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