Base | Representation |
---|---|
bin | 10110010111111100… |
… | …01001001100001101 |
3 | 1011000010200211021101 |
4 | 23023332021030031 |
5 | 144100033000023 |
6 | 5303534503101 |
7 | 603445213126 |
oct | 131376111415 |
9 | 34003624241 |
10 | 12012000013 |
11 | 5104508442 |
12 | 23b2964a91 |
13 | 11957a6820 |
14 | 81d46304d |
15 | 4a48411ad |
hex | 2cbf8930d |
12012000013 has 64 divisors (see below), whose sum is σ = 14724057600. Its totient is φ = 9693250560.
The previous prime is 12011999983. The next prime is 12012000031. The reversal of 12012000013 is 31000021021.
It is a cyclic number.
It is not a de Polignac number, because 12012000013 - 225 = 11978445581 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12012000053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16166520 + ... + 16167262.
It is an arithmetic number, because the mean of its divisors is an integer number (230063400).
Almost surely, 212012000013 is an apocalyptic number.
12012000013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12012000013 is a deficient number, since it is larger than the sum of its proper divisors (2712057587).
12012000013 is a wasteful number, since it uses less digits than its factorization.
12012000013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 902.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 12012000013 its reverse (31000021021), we get a palindrome (43012021034).
The spelling of 12012000013 in words is "twelve billion, twelve million, thirteen", and thus it is an aban number and an uban number.
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