Base | Representation |
---|---|
bin | 111101001000001110… |
… | …1110100010111010110 |
3 | 110112211121211212202210 |
4 | 1322100131310113112 |
5 | 4122321311122041 |
6 | 140150022414250 |
7 | 12325030001205 |
oct | 1722035642726 |
9 | 415747755683 |
10 | 131272754646 |
11 | 50744058580 |
12 | 21536b91386 |
13 | c4c07905a7 |
14 | 64d453723c |
15 | 3634971016 |
hex | 1e907745d6 |
131272754646 has 16 divisors (see below), whose sum is σ = 286413283008. Its totient is φ = 39779622600.
The previous prime is 131272754621. The next prime is 131272754647. The reversal of 131272754646 is 646457272131.
It is a super-2 number, since 2×1312727546462 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131272754595 and 131272754604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131272754647) 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, 994490500 + ... + 994490631.
It is an arithmetic number, because the mean of its divisors is an integer number (17900830188).
Almost surely, 2131272754646 is an apocalyptic number.
131272754646 is an abundant number, since it is smaller than the sum of its proper divisors (155140528362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131272754646 is a wasteful number, since it uses less digits than its factorization.
131272754646 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1988981147.
The product of its digits is 1693440, while the sum is 48.
The spelling of 131272754646 in words is "one hundred thirty-one billion, two hundred seventy-two million, seven hundred fifty-four thousand, six hundred forty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •