Base | Representation |
---|---|
bin | 10110111011110001… |
… | …00111101100111101 |
3 | 1011210002012221101120 |
4 | 23131320213230331 |
5 | 200204002321023 |
6 | 5353432301153 |
7 | 614054610642 |
oct | 133570475475 |
9 | 34702187346 |
10 | 12312542013 |
11 | 5249122062 |
12 | 24775417b9 |
13 | 1212b34225 |
14 | 84b337dc9 |
15 | 4c0e0a8e3 |
hex | 2dde27b3d |
12312542013 has 16 divisors (see below), whose sum is σ = 17648440320. Its totient is φ = 7610886576.
The previous prime is 12312541993. The next prime is 12312542083. The reversal of 12312542013 is 31024521321.
It is not a de Polignac number, because 12312542013 - 25 = 12312541981 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312542083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295295 + ... + 2300652.
It is an arithmetic number, because the mean of its divisors is an integer number (1103027520).
Almost surely, 212312542013 is an apocalyptic number.
It is an amenable number.
12312542013 is a deficient number, since it is larger than the sum of its proper divisors (5335898307).
12312542013 is a wasteful number, since it uses less digits than its factorization.
12312542013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4596016.
The product of its (nonzero) digits is 1440, while the sum is 24.
The spelling of 12312542013 in words is "twelve billion, three hundred twelve million, five hundred forty-two thousand, thirteen".
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