Base | Representation |
---|---|
bin | 111101001001111100… |
… | …0101100100010011000 |
3 | 110112222121210221212102 |
4 | 1322103320230202120 |
5 | 4122431003211440 |
6 | 140155432302532 |
7 | 12326324463365 |
oct | 1722370544230 |
9 | 415877727772 |
10 | 131330132120 |
11 | 50773488080 |
12 | 21552241a48 |
13 | c4cc62c965 |
14 | 64dbdd146c |
15 | 3639a06b15 |
hex | 1e93e2c898 |
131330132120 has 32 divisors (see below), whose sum is σ = 322355779920. Its totient is φ = 47756411520.
The previous prime is 131330132119. The next prime is 131330132243. The reversal of 131330132120 is 21231033131.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 131330132092 and 131330132101.
It is a congruent number.
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, 149238347 + ... + 149239226.
Almost surely, 2131330132120 is an apocalyptic number.
131330132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131330132120 is an abundant number, since it is smaller than the sum of its proper divisors (191025647800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131330132120 is a wasteful number, since it uses less digits than its factorization.
131330132120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298477595 (or 298477591 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131330132120 its reverse (21231033131), we get a palindrome (152561165251).
The spelling of 131330132120 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, one hundred twenty".
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