Base | Representation |
---|---|
bin | 10110111110111101… |
… | …10001000011010101 |
3 | 1011211221121100111201 |
4 | 23133132301003111 |
5 | 200232331201442 |
6 | 5400230232501 |
7 | 614531323645 |
oct | 133736610325 |
9 | 34757540451 |
10 | 12339318997 |
11 | 5262250aa5 |
12 | 24844b5731 |
13 | 121854b1b5 |
14 | 850b08525 |
15 | 4c34497b7 |
hex | 2df7b10d5 |
12339318997 has 4 divisors (see below), whose sum is σ = 12408253920. Its totient is φ = 12270384076.
The previous prime is 12339318961. The next prime is 12339319007. The reversal of 12339318997 is 79981393321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12339318997 - 27 = 12339318869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12339318197) 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, 34467193 + ... + 34467550.
It is an arithmetic number, because the mean of its divisors is an integer number (3102063480).
Almost surely, 212339318997 is an apocalyptic number.
It is an amenable number.
12339318997 is a deficient number, since it is larger than the sum of its proper divisors (68934923).
12339318997 is an equidigital number, since it uses as much as digits as its factorization.
12339318997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68934922.
The product of its digits is 2204496, while the sum is 55.
The spelling of 12339318997 in words is "twelve billion, three hundred thirty-nine million, three hundred eighteen thousand, nine hundred ninety-seven".
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