Base | Representation |
---|---|
bin | 111101001111001100… |
… | …1101010010001001101 |
3 | 110120102220202200212020 |
4 | 1322132121222101031 |
5 | 4123311133430431 |
6 | 140225133400353 |
7 | 12333566123664 |
oct | 1723631522115 |
9 | 416386680766 |
10 | 131506545741 |
11 | 5085402025a |
12 | 215a13390b9 |
13 | c52a04930c |
14 | 65175d3ddb |
15 | 364a252696 |
hex | 1e9e66a44d |
131506545741 has 8 divisors (see below), whose sum is σ = 175368184320. Its totient is φ = 87657968832.
The previous prime is 131506545719. The next prime is 131506545743. The reversal of 131506545741 is 147545605131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131506545741 - 27 = 131506545613 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131506545693 and 131506545702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131506545743) 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, 3241900 + ... + 3282213.
It is an arithmetic number, because the mean of its divisors is an integer number (21921023040).
Almost surely, 2131506545741 is an apocalyptic number.
It is an amenable number.
131506545741 is a deficient number, since it is larger than the sum of its proper divisors (43861638579).
131506545741 is an equidigital number, since it uses as much as digits as its factorization.
131506545741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6530835.
The product of its (nonzero) digits is 252000, while the sum is 42.
The spelling of 131506545741 in words is "one hundred thirty-one billion, five hundred six million, five hundred forty-five thousand, seven hundred forty-one".
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