Base | Representation |
---|---|
bin | 10111110101000100… |
… | …00011011111101010 |
3 | 1020000120121011021122 |
4 | 23322202003133222 |
5 | 202200022301202 |
6 | 5513241535242 |
7 | 632012054324 |
oct | 137242033752 |
9 | 36016534248 |
10 | 12793165802 |
11 | 54754548aa |
12 | 25904a4522 |
13 | 128b593ac1 |
14 | 8950c8614 |
15 | 4ed1e79a2 |
hex | 2fa8837ea |
12793165802 has 4 divisors (see below), whose sum is σ = 19189748706. Its totient is φ = 6396582900.
The previous prime is 12793165793. The next prime is 12793165807. The reversal of 12793165802 is 20856139721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20856139721 = 9463 ⋅2203967.
It can be written as a sum of positive squares in only one way, i.e., 7358379961 + 5434785841 = 85781^2 + 73721^2 .
It is not an unprimeable number, because it can be changed into a prime (12793165807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198291449 + ... + 3198291452.
Almost surely, 212793165802 is an apocalyptic number.
12793165802 is a deficient number, since it is larger than the sum of its proper divisors (6396582904).
12793165802 is an equidigital number, since it uses as much as digits as its factorization.
12793165802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6396582903.
The product of its (nonzero) digits is 181440, while the sum is 44.
The spelling of 12793165802 in words is "twelve billion, seven hundred ninety-three million, one hundred sixty-five thousand, eight hundred two".
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