Base | Representation |
---|---|
bin | 110001011100… |
… | …111100111010 |
3 | 220101121202220 |
4 | 301130330322 |
5 | 11304314032 |
6 | 1141504510 |
7 | 215121606 |
oct | 61347472 |
9 | 26347686 |
10 | 12963642 |
11 | 735485a |
12 | 4412136 |
13 | 28bb7c3 |
14 | 1a16506 |
15 | 121112c |
hex | c5cf3a |
12963642 has 16 divisors (see below), whose sum is σ = 26764032. Its totient is φ = 4181760.
The previous prime is 12963623. The next prime is 12963649. The reversal of 12963642 is 24636921.
It is not an unprimeable number, because it can be changed into a prime (12963649) 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, 34663 + ... + 35034.
It is an arithmetic number, because the mean of its divisors is an integer number (1672752).
Almost surely, 212963642 is an apocalyptic number.
12963642 is an abundant number, since it is smaller than the sum of its proper divisors (13800390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12963642 is a wasteful number, since it uses less digits than its factorization.
12963642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69733.
The product of its digits is 15552, while the sum is 33.
The square root of 12963642 is about 3600.5057978012. The cubic root of 12963642 is about 234.9140594155.
The spelling of 12963642 in words is "twelve million, nine hundred sixty-three thousand, six hundred forty-two".
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