Base | Representation |
---|---|
bin | 10111101010111111… |
… | …00000101010110110 |
3 | 1012210200111102100121 |
4 | 23311133200222312 |
5 | 202011401102130 |
6 | 5501021402154 |
7 | 626634266146 |
oct | 136537405266 |
9 | 35720442317 |
10 | 12708612790 |
11 | 5431753985 |
12 | 256810935a |
13 | 1276bcb233 |
14 | 887b98926 |
15 | 4e5a94d7a |
hex | 2f57e0ab6 |
12708612790 has 8 divisors (see below), whose sum is σ = 22875503040. Its totient is φ = 5083445112.
The previous prime is 12708612779. The next prime is 12708612853. The reversal of 12708612790 is 9721680721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635430630 + ... + 635430649.
It is an arithmetic number, because the mean of its divisors is an integer number (2859437880).
Almost surely, 212708612790 is an apocalyptic number.
12708612790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12708612790 is a deficient number, since it is larger than the sum of its proper divisors (10166890250).
12708612790 is a wasteful number, since it uses less digits than its factorization.
12708612790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1270861286.
The product of its (nonzero) digits is 84672, while the sum is 43.
It can be divided in two parts, 127086 and 12790, that added together give a square (139876 = 3742).
The spelling of 12708612790 in words is "twelve billion, seven hundred eight million, six hundred twelve thousand, seven hundred ninety".
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