Base | Representation |
---|---|
bin | 10110111011101111… |
… | …00001110110100011 |
3 | 1011210001200101221001 |
4 | 23131313201312203 |
5 | 200203414142112 |
6 | 5353422212431 |
7 | 614052306550 |
oct | 133567416643 |
9 | 34701611831 |
10 | 12312255907 |
11 | 5248a47106 |
12 | 2477424117 |
13 | 1212a63c33 |
14 | 84b2a1a27 |
15 | 4c0da0c57 |
hex | 2ddde1da3 |
12312255907 has 8 divisors (see below), whose sum is σ = 14091757056. Its totient is φ = 10537906632.
The previous prime is 12312255887. The next prime is 12312255937. The reversal of 12312255907 is 70955221321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12312255907 - 223 = 12303867299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12312255937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282843 + ... + 1292404.
It is an arithmetic number, because the mean of its divisors is an integer number (1761469632).
Almost surely, 212312255907 is an apocalyptic number.
12312255907 is a deficient number, since it is larger than the sum of its proper divisors (1779501149).
12312255907 is an equidigital number, since it uses as much as digits as its factorization.
12312255907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2575937.
The product of its (nonzero) digits is 37800, while the sum is 37.
The spelling of 12312255907 in words is "twelve billion, three hundred twelve million, two hundred fifty-five thousand, nine hundred seven".
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