Base | Representation |
---|---|
bin | 11000000011000000… |
… | …11101011111010111 |
3 | 1020022201210112020202 |
4 | 30001200131133113 |
5 | 202420002013003 |
6 | 5533022051115 |
7 | 634632535352 |
oct | 140140353727 |
9 | 36281715222 |
10 | 12910188503 |
11 | 5525512783 |
12 | 2603719a9b |
13 | 12a98b77c4 |
14 | 8a686b299 |
15 | 508611088 |
hex | 30181d7d7 |
12910188503 has 2 divisors, whose sum is σ = 12910188504. Its totient is φ = 12910188502.
The previous prime is 12910188449. The next prime is 12910188509. The reversal of 12910188503 is 30588101921.
12910188503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12910188503 - 224 = 12893411287 is a prime.
It is a super-3 number, since 3×129101885033 (a number of 31 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12910188509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455094251 + 6455094252.
It is an arithmetic number, because the mean of its divisors is an integer number (6455094252).
Almost surely, 212910188503 is an apocalyptic number.
12910188503 is a deficient number, since it is larger than the sum of its proper divisors (1).
12910188503 is an equidigital number, since it uses as much as digits as its factorization.
12910188503 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17280, while the sum is 38.
The spelling of 12910188503 in words is "twelve billion, nine hundred ten million, one hundred eighty-eight thousand, five hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •