Base | Representation |
---|---|
bin | 1111101010001… |
… | …10100100011111 |
3 | 100011011211111021 |
4 | 13311012210133 |
5 | 232112023210 |
6 | 21011305011 |
7 | 3153356560 |
oct | 765064437 |
9 | 304154437 |
10 | 131361055 |
11 | 68171561 |
12 | 37bab167 |
13 | 212a4147 |
14 | 13636167 |
15 | b7ebbda |
hex | 7d4691f |
131361055 has 16 divisors (see below), whose sum is σ = 180339264. Its totient is φ = 89982720.
The previous prime is 131361019. The next prime is 131361059. The reversal of 131361055 is 550163131.
It is not a de Polignac number, because 131361055 - 29 = 131360543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131361059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60285 + ... + 62425.
It is an arithmetic number, because the mean of its divisors is an integer number (11271204).
Almost surely, 2131361055 is an apocalyptic number.
131361055 is a deficient number, since it is larger than the sum of its proper divisors (48978209).
131361055 is a wasteful number, since it uses less digits than its factorization.
131361055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3906.
The product of its (nonzero) digits is 1350, while the sum is 25.
The square root of 131361055 is about 11461.2850501155. The cubic root of 131361055 is about 508.3414724726.
The spelling of 131361055 in words is "one hundred thirty-one million, three hundred sixty-one thousand, fifty-five".
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