Base | Representation |
---|---|
bin | 10111111011110010… |
… | …11011100010101011 |
3 | 1020011111211121002122 |
4 | 23331321123202223 |
5 | 202304001002014 |
6 | 5523020021455 |
7 | 633266004212 |
oct | 137571334253 |
9 | 36144747078 |
10 | 12849625259 |
11 | 54a4307709 |
12 | 25a739188b |
13 | 129a1a1373 |
14 | 89c7c4079 |
15 | 50314b58e |
hex | 2fde5b8ab |
12849625259 has 4 divisors (see below), whose sum is σ = 12852755040. Its totient is φ = 12846495480.
The previous prime is 12849625249. The next prime is 12849625277. The reversal of 12849625259 is 95252694821.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12849625259 - 28 = 12849625003 is a prime.
It is a super-2 number, since 2×128496252592 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12849625259.
It is not an unprimeable number, because it can be changed into a prime (12849625249) 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, 1558724 + ... + 1566945.
It is an arithmetic number, because the mean of its divisors is an integer number (3213188760).
Almost surely, 212849625259 is an apocalyptic number.
12849625259 is a deficient number, since it is larger than the sum of its proper divisors (3129781).
12849625259 is an equidigital number, since it uses as much as digits as its factorization.
12849625259 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3129780.
The product of its digits is 3110400, while the sum is 53.
The spelling of 12849625259 in words is "twelve billion, eight hundred forty-nine million, six hundred twenty-five thousand, two hundred fifty-nine".
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