Base | Representation |
---|---|
bin | 111101000111010000… |
… | …1110001101000101100 |
3 | 110112202100122211210012 |
4 | 1322032201301220230 |
5 | 4122240000100422 |
6 | 140142501432352 |
7 | 12324153420311 |
oct | 1721641615054 |
9 | 415670584705 |
10 | 131240237612 |
11 | 50727768aa0 |
12 | 2152810b6b8 |
13 | c4b6b16a43 |
14 | 64d00b0d08 |
15 | 3631b9b4e2 |
hex | 1e8e871a2c |
131240237612 has 24 divisors (see below), whose sum is σ = 258631790592. Its totient is φ = 57730309200.
The previous prime is 131240237603. The next prime is 131240237617. The reversal of 131240237612 is 216732042131.
It is not an unprimeable number, because it can be changed into a prime (131240237617) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48107228 + ... + 48109955.
It is an arithmetic number, because the mean of its divisors is an integer number (10776324608).
Almost surely, 2131240237612 is an apocalyptic number.
It is an amenable number.
131240237612 is a deficient number, since it is larger than the sum of its proper divisors (127391552980).
131240237612 is a wasteful number, since it uses less digits than its factorization.
131240237612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96217229 (or 96217227 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
Adding to 131240237612 its reverse (216732042131), we get a palindrome (347972279743).
The spelling of 131240237612 in words is "one hundred thirty-one billion, two hundred forty million, two hundred thirty-seven thousand, six hundred twelve".
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