Base | Representation |
---|---|
bin | 10111001101010000… |
… | …11010000011011001 |
3 | 1012011022100100022122 |
4 | 23212220122003121 |
5 | 201004034133440 |
6 | 5420153431025 |
7 | 620516122103 |
oct | 134650320331 |
9 | 35138310278 |
10 | 12459286745 |
11 | 5313a405a4 |
12 | 24b870b475 |
13 | 1237363529 |
14 | 862a16573 |
15 | 4cdc457b5 |
hex | 2e6a1a0d9 |
12459286745 has 16 divisors (see below), whose sum is σ = 14985265680. Its totient is φ = 9944715264.
The previous prime is 12459286717. The next prime is 12459286751. The reversal of 12459286745 is 54768295421.
It can be written as a sum of positive squares in 8 ways, for example, as 1080371161 + 11378915584 = 32869^2 + 106672^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12459286745 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6594761 + ... + 6596649.
It is an arithmetic number, because the mean of its divisors is an integer number (936579105).
Almost surely, 212459286745 is an apocalyptic number.
It is an amenable number.
12459286745 is a deficient number, since it is larger than the sum of its proper divisors (2525978935).
12459286745 is a wasteful number, since it uses less digits than its factorization.
12459286745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4204.
The product of its digits is 4838400, while the sum is 53.
The spelling of 12459286745 in words is "twelve billion, four hundred fifty-nine million, two hundred eighty-six thousand, seven hundred forty-five".
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