Base | Representation |
---|---|
bin | 10111101110011000… |
… | …00011000011101001 |
3 | 1012212200000221201022 |
4 | 23313030003003221 |
5 | 202041142041233 |
6 | 5503515302225 |
7 | 630431160566 |
oct | 136714030351 |
9 | 35780027638 |
10 | 12737065193 |
11 | 5446817666 |
12 | 257574a975 |
13 | 127ca80988 |
14 | 88b88386d |
15 | 4e8315398 |
hex | 2f73030e9 |
12737065193 has 4 divisors (see below), whose sum is σ = 13486304340. Its totient is φ = 11987826048.
The previous prime is 12737065171. The next prime is 12737065241. The reversal of 12737065193 is 39156073721.
12737065193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39156073721 = 421 ⋅93007301.
It can be written as a sum of positive squares in 2 ways, for example, as 4608780544 + 8128284649 = 67888^2 + 90157^2 .
It is a cyclic number.
It is not a de Polignac number, because 12737065193 - 228 = 12468629737 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12737065163) 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 in 3 ways as a sum of consecutive naturals, for example, 374619548 + ... + 374619581.
It is an arithmetic number, because the mean of its divisors is an integer number (3371576085).
Almost surely, 212737065193 is an apocalyptic number.
It is an amenable number.
12737065193 is a deficient number, since it is larger than the sum of its proper divisors (749239147).
12737065193 is an equidigital number, since it uses as much as digits as its factorization.
12737065193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 749239146.
The product of its (nonzero) digits is 238140, while the sum is 44.
The spelling of 12737065193 in words is "twelve billion, seven hundred thirty-seven million, sixty-five thousand, one hundred ninety-three".
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