Base | Representation |
---|---|
bin | 111101001101111011… |
… | …0010111111001000000 |
3 | 110120022221012222210011 |
4 | 1322123312113321000 |
5 | 4123214204202432 |
6 | 140221004114304 |
7 | 12332536234543 |
oct | 1723366277100 |
9 | 416287188704 |
10 | 131463740992 |
11 | 50831944431 |
12 | 2158ab35994 |
13 | c52120cc6c |
14 | 6511a5085a |
15 | 36465e9847 |
hex | 1e9bd97e40 |
131463740992 has 56 divisors (see below), whose sum is σ = 270062782200. Its totient is φ = 63419682816.
The previous prime is 131463740983. The next prime is 131463741023. The reversal of 131463740992 is 299047364131.
It can be written as a sum of positive squares in 4 ways, for example, as 47238414336 + 84225326656 = 217344^2 + 290216^2 .
It is a super-2 number, since 2×1314637409922 (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 7 ways as a sum of consecutive naturals, for example, 2634934 + ... + 2684362.
Almost surely, 2131463740992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131463740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135031391100).
131463740992 is an abundant number, since it is smaller than the sum of its proper divisors (138599041208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131463740992 is a wasteful number, since it uses less digits than its factorization.
131463740992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50903 (or 50893 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 49.
The spelling of 131463740992 in words is "one hundred thirty-one billion, four hundred sixty-three million, seven hundred forty thousand, nine hundred ninety-two".
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