Base | Representation |
---|---|
bin | 1011010101110101110100… |
… | …1000101111001010001001 |
3 | 1122011002212110200211100021 |
4 | 2311131131020233022021 |
5 | 3113301224233203224 |
6 | 42304323214340441 |
7 | 2424626400333655 |
oct | 265353510571211 |
9 | 48132773624307 |
10 | 12469852631689 |
11 | 3a784867a4282 |
12 | 14948a84ba721 |
13 | 6c5b95a8848b |
14 | 311788d95a65 |
15 | 16958201a1e4 |
hex | b575d22f289 |
12469852631689 has 8 divisors (see below), whose sum is σ = 12492012705480. Its totient is φ = 12447693417600.
The previous prime is 12469852631681. The next prime is 12469852631699. The reversal of 12469852631689 is 98613625896421.
It can be written as a sum of positive squares in 4 ways, for example, as 167717278089 + 12302135353600 = 409533^2 + 3507440^2 .
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 12469852631689 - 23 = 12469852631681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12469852631681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33511719 + ... + 33881779.
It is an arithmetic number, because the mean of its divisors is an integer number (1561501588185).
Almost surely, 212469852631689 is an apocalyptic number.
It is an amenable number.
12469852631689 is a deficient number, since it is larger than the sum of its proper divisors (22160073791).
12469852631689 is an equidigital number, since it uses as much as digits as its factorization.
12469852631689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429851.
The product of its digits is 268738560, while the sum is 70.
The spelling of 12469852631689 in words is "twelve trillion, four hundred sixty-nine billion, eight hundred fifty-two million, six hundred thirty-one thousand, six hundred eighty-nine".
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