Base | Representation |
---|---|
bin | 111101000110001100… |
… | …0100000110011100110 |
3 | 110112122211221201212000 |
4 | 1322030120200303212 |
5 | 4122201242124300 |
6 | 140135134310130 |
7 | 12323235523506 |
oct | 1721430406346 |
9 | 415584851760 |
10 | 131204254950 |
11 | 5070942175a |
12 | 21518058346 |
13 | c4ac528922 |
14 | 64c93c5a06 |
15 | 362d93ec00 |
hex | 1e8c620ce6 |
131204254950 has 96 divisors (see below), whose sum is σ = 382807775520. Its totient is φ = 32929689600.
The previous prime is 131204254943. The next prime is 131204254969. The reversal of 131204254950 is 59452402131.
131204254950 is a `hidden beast` number, since 1 + 3 + 1 + 20 + 42 + 549 + 50 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2835531 + ... + 2881430.
It is an arithmetic number, because the mean of its divisors is an integer number (3987580995).
Almost surely, 2131204254950 is an apocalyptic number.
131204254950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131204254950 is an abundant number, since it is smaller than the sum of its proper divisors (251603520570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131204254950 is a wasteful number, since it uses less digits than its factorization.
131204254950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5716999 (or 5716988 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The spelling of 131204254950 in words is "one hundred thirty-one billion, two hundred four million, two hundred fifty-four thousand, nine hundred fifty".
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