Base | Representation |
---|---|
bin | 111101001110101001… |
… | …1010110010000011000 |
3 | 110120101122002020211121 |
4 | 1322131103112100120 |
5 | 4123241424114223 |
6 | 140223234335024 |
7 | 12333253345141 |
oct | 1723523262030 |
9 | 416348066747 |
10 | 131488113688 |
11 | 50844680a58 |
12 | 2159712a474 |
13 | c526294789 |
14 | 6514d96ac8 |
15 | 364881115d |
hex | 1e9d4d6418 |
131488113688 has 16 divisors (see below), whose sum is σ = 246546612000. Its totient is φ = 65742350496.
The previous prime is 131488113629. The next prime is 131488113689. The reversal of 131488113688 is 886311884131.
It is a super-2 number, since 2×1314881136882 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131488113689) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150753 + ... + 534511.
It is an arithmetic number, because the mean of its divisors is an integer number (15409163250).
Almost surely, 2131488113688 is an apocalyptic number.
It is an amenable number.
131488113688 is a deficient number, since it is larger than the sum of its proper divisors (115058498312).
131488113688 is a wasteful number, since it uses less digits than its factorization.
131488113688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426594 (or 426590 counting only the distinct ones).
The product of its digits is 884736, while the sum is 52.
The spelling of 131488113688 in words is "one hundred thirty-one billion, four hundred eighty-eight million, one hundred thirteen thousand, six hundred eighty-eight".
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