Base | Representation |
---|---|
bin | 10111111010011001… |
… | …00100000000010011 |
3 | 1020010200201000220211 |
4 | 23331030210000103 |
5 | 202242443112233 |
6 | 5521515544551 |
7 | 633064016206 |
oct | 137514440023 |
9 | 36120630824 |
10 | 12837863443 |
11 | 54987038a9 |
12 | 25a345b157 |
13 | 1297913902 |
14 | 89b00193d |
15 | 5020c65cd |
hex | 2fd324013 |
12837863443 has 8 divisors (see below), whose sum is σ = 12954462048. Its totient is φ = 12721317504.
The previous prime is 12837863407. The next prime is 12837863483. The reversal of 12837863443 is 34436873821.
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 12837863443 - 233 = 4247928851 is a prime.
It is a super-2 number, since 2×128378634432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12837863483) 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, 608530 + ... + 629272.
It is an arithmetic number, because the mean of its divisors is an integer number (1619307756).
Almost surely, 212837863443 is an apocalyptic number.
12837863443 is a deficient number, since it is larger than the sum of its proper divisors (116598605).
12837863443 is a wasteful number, since it uses less digits than its factorization.
12837863443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26333.
The product of its digits is 2322432, while the sum is 49.
The spelling of 12837863443 in words is "twelve billion, eight hundred thirty-seven million, eight hundred sixty-three thousand, four hundred forty-three".
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