Base | Representation |
---|---|
bin | 1000000110010010001… |
… | …1000010000101000111 |
3 | 111022002220211220012221 |
4 | 2001210203002011013 |
5 | 4234412204434011 |
6 | 143525153553211 |
7 | 13023445200124 |
oct | 2014443020507 |
9 | 438086756187 |
10 | 139125858631 |
11 | 54003a13861 |
12 | 22b68b75807 |
13 | 10172750596 |
14 | 6a3b4c374b |
15 | 3944101971 |
hex | 20648c2147 |
139125858631 has 2 divisors, whose sum is σ = 139125858632. Its totient is φ = 139125858630.
The previous prime is 139125858601. The next prime is 139125858643. The reversal of 139125858631 is 136858521931.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 139125858631 - 237 = 1686905159 is a prime.
It is a super-2 number, since 2×1391258586312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (139125858601) 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, 69562929315 + 69562929316.
It is an arithmetic number, because the mean of its divisors is an integer number (69562929316).
Almost surely, 2139125858631 is an apocalyptic number.
139125858631 is a deficient number, since it is larger than the sum of its proper divisors (1).
139125858631 is an equidigital number, since it uses as much as digits as its factorization.
139125858631 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1555200, while the sum is 52.
The spelling of 139125858631 in words is "one hundred thirty-nine billion, one hundred twenty-five million, eight hundred fifty-eight thousand, six hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •