Base | Representation |
---|---|
bin | 10110010111101111… |
… | …01100110101100001 |
3 | 1011000000112000101200 |
4 | 23023313230311201 |
5 | 144044114423014 |
6 | 5303434351413 |
7 | 603424646664 |
oct | 131367546541 |
9 | 34000460350 |
10 | 12010311009 |
11 | 5103564474 |
12 | 23b228b569 |
13 | 1195334b08 |
14 | 81d1436db |
15 | 4a460aa09 |
hex | 2cbdecd61 |
12010311009 has 12 divisors (see below), whose sum is σ = 17368915200. Its totient is φ = 7997325624.
The previous prime is 12010311007. The next prime is 12010311023. The reversal of 12010311009 is 90011301021.
It is not a de Polignac number, because 12010311009 - 21 = 12010311007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12010310982 and 12010311000.
It is not an unprimeable number, because it can be changed into a prime (12010311007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787729 + ... + 802830.
It is an arithmetic number, because the mean of its divisors is an integer number (1447409600).
Almost surely, 212010311009 is an apocalyptic number.
It is an amenable number.
12010311009 is a deficient number, since it is larger than the sum of its proper divisors (5358604191).
12010311009 is a wasteful number, since it uses less digits than its factorization.
12010311009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1591404 (or 1591401 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
The spelling of 12010311009 in words is "twelve billion, ten million, three hundred eleven thousand, nine".
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