Base | Representation |
---|---|
bin | 111101000010000001… |
… | …0100001011110010000 |
3 | 110112022002112220102100 |
4 | 1322010002201132100 |
5 | 4121404423212114 |
6 | 140113214120400 |
7 | 12316615636314 |
oct | 1720402413620 |
9 | 415262486370 |
10 | 131064272784 |
11 | 50647402015 |
12 | 214991b0100 |
13 | c489526743 |
14 | 64b4987b44 |
15 | 36214dd909 |
hex | 1e840a1790 |
131064272784 has 45 divisors (see below), whose sum is σ = 366810088593. Its totient is φ = 43686642816.
The previous prime is 131064272747. The next prime is 131064272797. The reversal of 131064272784 is 487272460131.
The square root of 131064272784 is 362028.
It is a perfect power (a square), and thus also a powerful number.
131064272784 is a `hidden beast` number, since 1 + 310 + 64 + 2 + 7 + 278 + 4 = 666.
131064272784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 75970794384 + 55093478400 = 275628^2 + 234720^2 .
It is a super-2 number, since 2×1310642727842 (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 8 ways as a sum of consecutive naturals, for example, 4329252 + ... + 4359420.
Almost surely, 2131064272784 is an apocalyptic number.
131064272784 is the 362028-th square number.
It is an amenable number.
131064272784 is an abundant number, since it is smaller than the sum of its proper divisors (235745815809).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131064272784 is an frugal number, since it uses more digits than its factorization.
131064272784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60352 (or 30174 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The spelling of 131064272784 in words is "one hundred thirty-one billion, sixty-four million, two hundred seventy-two thousand, seven hundred eighty-four".
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