Base | Representation |
---|---|
bin | 1111100111101… |
… | …01001011010111 |
3 | 100010112220011201 |
4 | 13303311023113 |
5 | 232020341141 |
6 | 21000213331 |
7 | 3150500605 |
oct | 763651327 |
9 | 303486151 |
10 | 131027671 |
11 | 67a64035 |
12 | 37a6a247 |
13 | 211b8488 |
14 | 1358a875 |
15 | b783031 |
hex | 7cf52d7 |
131027671 has 2 divisors, whose sum is σ = 131027672. Its totient is φ = 131027670.
The previous prime is 131027657. The next prime is 131027707. The reversal of 131027671 is 176720131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131027671 - 219 = 130503383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131027621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65513835 + 65513836.
It is an arithmetic number, because the mean of its divisors is an integer number (65513836).
Almost surely, 2131027671 is an apocalyptic number.
131027671 is a deficient number, since it is larger than the sum of its proper divisors (1).
131027671 is an equidigital number, since it uses as much as digits as its factorization.
131027671 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1764, while the sum is 28.
The square root of 131027671 is about 11446.7318916798. The cubic root of 131027671 is about 507.9110646282.
The spelling of 131027671 in words is "one hundred thirty-one million, twenty-seven thousand, six hundred seventy-one".
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