Base | Representation |
---|---|
bin | 10111110111110100… |
… | …00100100011011000 |
3 | 1020002012000101111102 |
4 | 23323322010203120 |
5 | 202221424120213 |
6 | 5515424250532 |
7 | 632412142502 |
oct | 137372044330 |
9 | 36065011442 |
10 | 12816238808 |
11 | 54874839aa |
12 | 2598170a48 |
13 | 12932b1b79 |
14 | 8981b2d72 |
15 | 500254158 |
hex | 2fbe848d8 |
12816238808 has 16 divisors (see below), whose sum is σ = 24047008080. Its totient is φ = 6403703328.
The previous prime is 12816238807. The next prime is 12816238811. The reversal of 12816238808 is 80883261821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12816238807) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539660 + ... + 562907.
It is an arithmetic number, because the mean of its divisors is an integer number (1502938005).
Almost surely, 212816238808 is an apocalyptic number.
It is an amenable number.
12816238808 is a deficient number, since it is larger than the sum of its proper divisors (11230769272).
12816238808 is a wasteful number, since it uses less digits than its factorization.
12816238808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1104026 (or 1104022 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 47.
The spelling of 12816238808 in words is "twelve billion, eight hundred sixteen million, two hundred thirty-eight thousand, eight hundred eight".
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