Base | Representation |
---|---|
bin | 10110011000000011… |
… | …11000101101000100 |
3 | 1011000012112200000110 |
4 | 23030001320231010 |
5 | 144100310343220 |
6 | 5304011513020 |
7 | 603456440253 |
oct | 131401705504 |
9 | 34005480013 |
10 | 12012981060 |
11 | 5105018523 |
12 | 23b3158770 |
13 | 1195a5b222 |
14 | 81d63a79a |
15 | 4a4986be0 |
hex | 2cc078b44 |
12012981060 has 48 divisors (see below), whose sum is σ = 34271004096. Its totient is φ = 3143018112.
The previous prime is 12012981047. The next prime is 12012981073. The reversal of 12012981060 is 6018921021.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12012981047) and next prime (12012981073).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885654 + ... + 1892013.
It is an arithmetic number, because the mean of its divisors is an integer number (713979252).
Almost surely, 212012981060 is an apocalyptic number.
12012981060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12012981060 is an abundant number, since it is smaller than the sum of its proper divisors (22258023036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012981060 is a wasteful number, since it uses less digits than its factorization.
12012981060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3777732 (or 3777730 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 30.
The spelling of 12012981060 in words is "twelve billion, twelve million, nine hundred eighty-one thousand, sixty".
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