Base | Representation |
---|---|
bin | 111101000000110011… |
… | …0010100100000110000 |
3 | 110112012020111112221100 |
4 | 1322001212110200300 |
5 | 4121313432401412 |
6 | 140105152324400 |
7 | 12315610613562 |
oct | 1720146244060 |
9 | 415166445840 |
10 | 131023325232 |
11 | 50626284568 |
12 | 21487543700 |
13 | c480bba817 |
14 | 64ad369332 |
15 | 361cb00edc |
hex | 1e81994830 |
131023325232 has 30 divisors (see below), whose sum is σ = 366683334212. Its totient is φ = 43674441696.
The previous prime is 131023325227. The next prime is 131023325233. The reversal of 131023325232 is 232523320131.
It is a happy number.
131023325232 is a `hidden beast` number, since 1 + 3 + 102 + 3 + 32 + 523 + 2 = 666.
It is a super-2 number, since 2×1310233252322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131023325196 and 131023325205.
It is not an unprimeable number, because it can be changed into a prime (131023325233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454941958 + ... + 454942245.
Almost surely, 2131023325232 is an apocalyptic number.
131023325232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131023325232 is an abundant number, since it is smaller than the sum of its proper divisors (235660008980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131023325232 is a wasteful number, since it uses less digits than its factorization.
131023325232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909884217 (or 909884208 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 131023325232 its reverse (232523320131), we get a palindrome (363546645363).
The spelling of 131023325232 in words is "one hundred thirty-one billion, twenty-three million, three hundred twenty-five thousand, two hundred thirty-two".
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