Base | Representation |
---|---|
bin | 10111110001101010… |
… | …11111011000111001 |
3 | 1012221121001021021021 |
4 | 23320311133120321 |
5 | 202120231100421 |
6 | 5510343542441 |
7 | 631215133231 |
oct | 137065373071 |
9 | 35847037237 |
10 | 12764706361 |
11 | 5460386900 |
12 | 2582a5aa21 |
13 | 128570b0b4 |
14 | 8913dacc1 |
15 | 4ea975341 |
hex | 2f8d5f639 |
12764706361 has 9 divisors (see below), whose sum is σ = 14031993829. Its totient is φ = 11603148700.
The previous prime is 12764706337. The next prime is 12764706389. The reversal of 12764706361 is 16360746721.
The square root of 12764706361 is 112981.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 12764706361 - 27 = 12764706233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12764706301) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1237656 + ... + 1247926.
Almost surely, 212764706361 is an apocalyptic number.
12764706361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12764706361 is the 112981-st square number.
12764706361 is the 56491-st centered octagonal number.
It is an amenable number.
12764706361 is a deficient number, since it is larger than the sum of its proper divisors (1267287468).
12764706361 is an frugal number, since it uses more digits than its factorization.
12764706361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20564 (or 10282 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 43.
The spelling of 12764706361 in words is "twelve billion, seven hundred sixty-four million, seven hundred six thousand, three hundred sixty-one".
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