Base | Representation |
---|---|
bin | 111101000001110001… |
… | …1100010110001011001 |
3 | 110112021112021022022021 |
4 | 1322003203202301121 |
5 | 4121400333323031 |
6 | 140112324054441 |
7 | 12316456623442 |
oct | 1720343426131 |
9 | 415245238267 |
10 | 131056151641 |
11 | 50642865528 |
12 | 21496534421 |
13 | c48794212c |
14 | 64b38722c9 |
15 | 3620937511 |
hex | 1e838e2c59 |
131056151641 has 4 divisors (see below), whose sum is σ = 131721411492. Its totient is φ = 130390891792.
The previous prime is 131056151617. The next prime is 131056151663. The reversal of 131056151641 is 146151650131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 109504737225 + 21551414416 = 330915^2 + 146804^2 .
It is a cyclic number.
It is not a de Polignac number, because 131056151641 - 29 = 131056151129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131056151597 and 131056151606.
It is not an unprimeable number, because it can be changed into a prime (131056151671) 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, 332629630 + ... + 332630023.
It is an arithmetic number, because the mean of its divisors is an integer number (32930352873).
Almost surely, 2131056151641 is an apocalyptic number.
It is an amenable number.
131056151641 is a deficient number, since it is larger than the sum of its proper divisors (665259851).
131056151641 is an equidigital number, since it uses as much as digits as its factorization.
131056151641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665259850.
The product of its (nonzero) digits is 10800, while the sum is 34.
The spelling of 131056151641 in words is "one hundred thirty-one billion, fifty-six million, one hundred fifty-one thousand, six hundred forty-one".
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