Base | Representation |
---|---|
bin | 11000000111110110… |
… | …10011100010100100 |
3 | 1020102120011210102001 |
4 | 30003323103202210 |
5 | 203010344430233 |
6 | 5541032055044 |
7 | 635634546202 |
oct | 140373234244 |
9 | 36376153361 |
10 | 12950780068 |
11 | 5546417826 |
12 | 2615234484 |
13 | 12b512a695 |
14 | 8abdd6072 |
15 | 50be7d27d |
hex | 303ed38a4 |
12950780068 has 6 divisors (see below), whose sum is σ = 22663865126. Its totient is φ = 6475390032.
The previous prime is 12950780041. The next prime is 12950780083. The reversal of 12950780068 is 86008705921.
It can be written as a sum of positive squares in only one way, i.e., 12903142464 + 47637604 = 113592^2 + 6902^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618847505 + ... + 1618847512.
Almost surely, 212950780068 is an apocalyptic number.
It is an amenable number.
12950780068 is a deficient number, since it is larger than the sum of its proper divisors (9713085058).
12950780068 is a wasteful number, since it uses less digits than its factorization.
12950780068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3237695021 (or 3237695019 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 46.
The spelling of 12950780068 in words is "twelve billion, nine hundred fifty million, seven hundred eighty thousand, sixty-eight".
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