Base | Representation |
---|---|
bin | 10111110001100100… |
… | …11110000010010010 |
3 | 1012221112120000212212 |
4 | 23320302132002102 |
5 | 202120030230021 |
6 | 5510314552122 |
7 | 631205324246 |
oct | 137062360222 |
9 | 35845500785 |
10 | 12763914386 |
11 | 545a995883 |
12 | 2582738642 |
13 | 12854c1782 |
14 | 891272426 |
15 | 4ea86a85b |
hex | 2f8c9e092 |
12763914386 has 4 divisors (see below), whose sum is σ = 19145871582. Its totient is φ = 6381957192.
The previous prime is 12763914343. The next prime is 12763914389. The reversal of 12763914386 is 68341936721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68341936721 = 195203 ⋅350107.
It can be written as a sum of positive squares in only one way, i.e., 10073936161 + 2689978225 = 100369^2 + 51865^2 .
It is a super-3 number, since 3×127639143863 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12763914389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190978595 + ... + 3190978598.
Almost surely, 212763914386 is an apocalyptic number.
12763914386 is a deficient number, since it is larger than the sum of its proper divisors (6381957196).
12763914386 is an equidigital number, since it uses as much as digits as its factorization.
12763914386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6381957195.
The product of its digits is 1306368, while the sum is 50.
The spelling of 12763914386 in words is "twelve billion, seven hundred sixty-three million, nine hundred fourteen thousand, three hundred eighty-six".
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