Base | Representation |
---|---|
bin | 111101011010001100… |
… | …1111101111011001111 |
3 | 110121101122102221121101 |
4 | 1322310121331323033 |
5 | 4130040141200012 |
6 | 140325522243531 |
7 | 12346001111245 |
oct | 1726431757317 |
9 | 417348387541 |
10 | 131875725007 |
11 | 50a23455094 |
12 | 21684ab65a7 |
13 | c5886891a0 |
14 | 6550654795 |
15 | 366c878d57 |
hex | 1eb467decf |
131875725007 has 4 divisors (see below), whose sum is σ = 142020011560. Its totient is φ = 121731438456.
The previous prime is 131875724993. The next prime is 131875725019. The reversal of 131875725007 is 700527578131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131875725007 - 211 = 131875722959 is a prime.
It is a super-2 number, since 2×1318757250072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131875725097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072143257 + ... + 5072143282.
It is an arithmetic number, because the mean of its divisors is an integer number (35505002890).
Almost surely, 2131875725007 is an apocalyptic number.
131875725007 is a deficient number, since it is larger than the sum of its proper divisors (10144286553).
131875725007 is a wasteful number, since it uses less digits than its factorization.
131875725007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10144286552.
The product of its (nonzero) digits is 411600, while the sum is 46.
The spelling of 131875725007 in words is "one hundred thirty-one billion, eight hundred seventy-five million, seven hundred twenty-five thousand, seven".
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