Base | Representation |
---|---|
bin | 1111101110000… |
… | …01001000001011 |
3 | 100012010100002201 |
4 | 13313001020023 |
5 | 232224104201 |
6 | 21030141031 |
7 | 3160550245 |
oct | 767011013 |
9 | 305110081 |
10 | 131863051 |
11 | 68484731 |
12 | 381b1777 |
13 | 2141b798 |
14 | 13727095 |
15 | b89a801 |
hex | 7dc120b |
131863051 has 2 divisors, whose sum is σ = 131863052. Its totient is φ = 131863050.
The previous prime is 131863037. The next prime is 131863091. The reversal of 131863051 is 150368131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131863051 - 29 = 131862539 is a prime.
It is not a weakly prime, because it can be changed into another prime (131863091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65931525 + 65931526.
It is an arithmetic number, because the mean of its divisors is an integer number (65931526).
Almost surely, 2131863051 is an apocalyptic number.
131863051 is a deficient number, since it is larger than the sum of its proper divisors (1).
131863051 is an equidigital number, since it uses as much as digits as its factorization.
131863051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 131863051 is about 11483.1638061991. The cubic root of 131863051 is about 508.9881913212.
The spelling of 131863051 in words is "one hundred thirty-one million, eight hundred sixty-three thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.103 sec. • engine limits •