Base | Representation |
---|---|
bin | 10110111011101000… |
… | …01110100111001011 |
3 | 1011210000001110001010 |
4 | 23131310032213023 |
5 | 200203204000132 |
6 | 5353351455003 |
7 | 614042044152 |
oct | 133564164713 |
9 | 34700043033 |
10 | 12311390667 |
11 | 5248506034 |
12 | 2477087463 |
13 | 1212820164 |
14 | 84b118599 |
15 | 4c0c7e6cc |
hex | 2ddd0e9cb |
12311390667 has 16 divisors (see below), whose sum is σ = 17497447200. Its totient is φ = 7672945152.
The previous prime is 12311390647. The next prime is 12311390669. The reversal of 12311390667 is 76609311321.
It is not a de Polignac number, because 12311390667 - 227 = 12177172939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12311390669) 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, 802468 + ... + 817665.
It is an arithmetic number, because the mean of its divisors is an integer number (1093590450).
Almost surely, 212311390667 is an apocalyptic number.
12311390667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12311390667 is a deficient number, since it is larger than the sum of its proper divisors (5186056533).
12311390667 is a wasteful number, since it uses less digits than its factorization.
12311390667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1620302.
The product of its (nonzero) digits is 40824, while the sum is 39.
The spelling of 12311390667 in words is "twelve billion, three hundred eleven million, three hundred ninety thousand, six hundred sixty-seven".
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