Base | Representation |
---|---|
bin | 10110111100100000… |
… | …01001001110101111 |
3 | 1011210111211020102201 |
4 | 23132100021032233 |
5 | 200212042134110 |
6 | 5354212402331 |
7 | 614161203331 |
oct | 133620111657 |
9 | 34714736381 |
10 | 12318708655 |
11 | 5251654160 |
12 | 24796163a7 |
13 | 12141b3026 |
14 | 84c0a1451 |
15 | 4c1727b3a |
hex | 2de4093af |
12318708655 has 16 divisors (see below), whose sum is σ = 16129562400. Its totient is φ = 8957253760.
The previous prime is 12318708637. The next prime is 12318708683. The reversal of 12318708655 is 55680781321.
It is a de Polignac number, because none of the positive numbers 2k-12318708655 is a prime.
It is a congruent number.
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, 292041 + ... + 331549.
It is an arithmetic number, because the mean of its divisors is an integer number (1008097650).
Almost surely, 212318708655 is an apocalyptic number.
12318708655 is a deficient number, since it is larger than the sum of its proper divisors (3810853745).
12318708655 is a wasteful number, since it uses less digits than its factorization.
12318708655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45194.
The product of its (nonzero) digits is 403200, while the sum is 46.
The spelling of 12318708655 in words is "twelve billion, three hundred eighteen million, seven hundred eight thousand, six hundred fifty-five".
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