Base | Representation |
---|---|
bin | 10111110101100110… |
… | …01101101101100101 |
3 | 1020000220001200210022 |
4 | 23322303031231211 |
5 | 202202200222401 |
6 | 5513522204525 |
7 | 632065231025 |
oct | 137263155545 |
9 | 36026050708 |
10 | 12797664101 |
11 | 5477a47502 |
12 | 2591ab3745 |
13 | 128c4aa411 |
14 | 895939a85 |
15 | 4ed7d571b |
hex | 2faccdb65 |
12797664101 has 8 divisors (see below), whose sum is σ = 12926922840. Its totient is φ = 12669041152.
The previous prime is 12797664067. The next prime is 12797664137. The reversal of 12797664101 is 10146679721.
It can be written as a sum of positive squares in 4 ways, for example, as 2636822500 + 10160841601 = 51350^2 + 100801^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12797664101 - 214 = 12797647717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12797654101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118436 + ... + 199053.
It is an arithmetic number, because the mean of its divisors is an integer number (1615865355).
Almost surely, 212797664101 is an apocalyptic number.
It is an amenable number.
12797664101 is a deficient number, since it is larger than the sum of its proper divisors (129258739).
12797664101 is a wasteful number, since it uses less digits than its factorization.
12797664101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317895.
The product of its (nonzero) digits is 127008, while the sum is 44.
The spelling of 12797664101 in words is "twelve billion, seven hundred ninety-seven million, six hundred sixty-four thousand, one hundred one".
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