Base | Representation |
---|---|
bin | 11000000001111111… |
… | …11110011110111001 |
3 | 1020022010202220000122 |
4 | 30000333332132321 |
5 | 202410312013024 |
6 | 5532115343025 |
7 | 634500260450 |
oct | 140077763671 |
9 | 36263686018 |
10 | 12901672889 |
11 | 5520726886 |
12 | 26008b1a75 |
13 | 12a7bc5791 |
14 | 8a5691b97 |
15 | 5079ccd5e |
hex | 300ffe7b9 |
12901672889 has 8 divisors (see below), whose sum is σ = 14896777728. Its totient is φ = 10944570240.
The previous prime is 12901672841. The next prime is 12901672919. The reversal of 12901672889 is 98827610921.
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 12901672889 - 216 = 12901607353 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12901672889.
It is not an unprimeable number, because it can be changed into a prime (12901672489) 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, 9499817 + ... + 9501174.
It is an arithmetic number, because the mean of its divisors is an integer number (1862097216).
Almost surely, 212901672889 is an apocalyptic number.
It is an amenable number.
12901672889 is a deficient number, since it is larger than the sum of its proper divisors (1995104839).
12901672889 is an equidigital number, since it uses as much as digits as its factorization.
12901672889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19001095.
The product of its (nonzero) digits is 870912, while the sum is 53.
The spelling of 12901672889 in words is "twelve billion, nine hundred one million, six hundred seventy-two thousand, eight hundred eighty-nine".
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