Base | Representation |
---|---|
bin | 111101001111011000… |
… | …0011110001011100101 |
3 | 110120110100000111121022 |
4 | 1322132300132023211 |
5 | 4123314201304131 |
6 | 140225505500525 |
7 | 12334001010545 |
oct | 1723660361345 |
9 | 416410014538 |
10 | 131512525541 |
11 | 50857434a41 |
12 | 215a3341745 |
13 | c52b361067 |
14 | 651830d325 |
15 | 364aa3437b |
hex | 1e9ec1e2e5 |
131512525541 has 8 divisors (see below), whose sum is σ = 132118312704. Its totient is φ = 130906882080.
The previous prime is 131512525499. The next prime is 131512525583. The reversal of 131512525541 is 145525215131.
It is an interprime number because it is at equal distance from previous prime (131512525499) and next prime (131512525583).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131512525541 - 26 = 131512525477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131512525741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085425 + ... + 2147561.
It is an arithmetic number, because the mean of its divisors is an integer number (16514789088).
Almost surely, 2131512525541 is an apocalyptic number.
It is an amenable number.
131512525541 is a deficient number, since it is larger than the sum of its proper divisors (605787163).
131512525541 is an equidigital number, since it uses as much as digits as its factorization.
131512525541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71851.
The product of its digits is 30000, while the sum is 35.
The spelling of 131512525541 in words is "one hundred thirty-one billion, five hundred twelve million, five hundred twenty-five thousand, five hundred forty-one".
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