Base | Representation |
---|---|
bin | 111101001001010110… |
… | …0010100110101111000 |
3 | 110112221020010211120221 |
4 | 1322102230110311320 |
5 | 4122410342041440 |
6 | 140153435225424 |
7 | 12325662352135 |
oct | 1722254246570 |
9 | 415836124527 |
10 | 131310112120 |
11 | 50763153820 |
12 | 215475a8274 |
13 | c4c84403c5 |
14 | 64d949d58c |
15 | 3637d9ed4a |
hex | 1e92b14d78 |
131310112120 has 64 divisors (see below), whose sum is σ = 325497903840. Its totient is φ = 47276352000.
The previous prime is 131310112103. The next prime is 131310112123. The reversal of 131310112120 is 21211013131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 131310112094 and 131310112103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131310112123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432947 + ... + 1521826.
Almost surely, 2131310112120 is an apocalyptic number.
131310112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131310112120 is an abundant number, since it is smaller than the sum of its proper divisors (194187791720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131310112120 is a wasteful number, since it uses less digits than its factorization.
131310112120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2954896 (or 2954892 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 131310112120 its reverse (21211013131), we get a palindrome (152521125251).
It can be divided in two parts, 13131011 and 2120, that added together give a palindrome (13133131).
The spelling of 131310112120 in words is "one hundred thirty-one billion, three hundred ten million, one hundred twelve thousand, one hundred twenty".
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