Base | Representation |
---|---|
bin | 1111101010001… |
… | …10100100001111 |
3 | 100011011211110200 |
4 | 13311012210033 |
5 | 232112023124 |
6 | 21011304543 |
7 | 3153356535 |
oct | 765064417 |
9 | 304154420 |
10 | 131361039 |
11 | 68171547 |
12 | 37bab153 |
13 | 212a4134 |
14 | 13636155 |
15 | b7ebbc9 |
hex | 7d4690f |
131361039 has 24 divisors (see below), whose sum is σ = 197121600. Its totient is φ = 84194880.
The previous prime is 131361019. The next prime is 131361059. The reversal of 131361039 is 930163131.
131361039 is a `hidden beast` number, since 1 + 3 + 13 + 610 + 39 = 666.
It is an interprime number because it is at equal distance from previous prime (131361019) and next prime (131361059).
It is not a de Polignac number, because 131361039 - 29 = 131360527 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131361019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69274 + ... + 71144.
It is an arithmetic number, because the mean of its divisors is an integer number (8213400).
Almost surely, 2131361039 is an apocalyptic number.
131361039 is a deficient number, since it is larger than the sum of its proper divisors (65760561).
131361039 is a wasteful number, since it uses less digits than its factorization.
131361039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2175 (or 2172 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 131361039 is about 11461.2843521134. The cubic root of 131361039 is about 508.3414518337.
The spelling of 131361039 in words is "one hundred thirty-one million, three hundred sixty-one thousand, thirty-nine".
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