Base | Representation |
---|---|
bin | 111101010000011100… |
… | …0101101010000001000 |
3 | 110120112211012221001200 |
4 | 1322200320231100020 |
5 | 4123402322120411 |
6 | 140233223144200 |
7 | 12334613403156 |
oct | 1724070552010 |
9 | 416484187050 |
10 | 131548238856 |
11 | 50875607981 |
12 | 215b32a5060 |
13 | c5358866b8 |
14 | 651cd683d6 |
15 | 364dc3ae56 |
hex | 1ea0e2d408 |
131548238856 has 48 divisors (see below), whose sum is σ = 367769276160. Its totient is φ = 42434915040.
The previous prime is 131548238839. The next prime is 131548238929. The reversal of 131548238856 is 658832845131.
131548238856 is a `hidden beast` number, since 1 + 31 + 5 + 482 + 3 + 88 + 56 = 666.
It is a super-2 number, since 2×1315482388562 (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 11 ways as a sum of consecutive naturals, for example, 29466460 + ... + 29470923.
It is an arithmetic number, because the mean of its divisors is an integer number (7661859920).
Almost surely, 2131548238856 is an apocalyptic number.
It is an amenable number.
131548238856 is an abundant number, since it is smaller than the sum of its proper divisors (236221037304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131548238856 is a wasteful number, since it uses less digits than its factorization.
131548238856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58937426 (or 58937419 counting only the distinct ones).
The product of its digits is 5529600, while the sum is 54.
The spelling of 131548238856 in words is "one hundred thirty-one billion, five hundred forty-eight million, two hundred thirty-eight thousand, eight hundred fifty-six".
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