Base | Representation |
---|---|
bin | 10110011000010110… |
… | …00011110111010101 |
3 | 1011000101001212001212 |
4 | 23030023003313111 |
5 | 144101414323234 |
6 | 5304135231205 |
7 | 603516045041 |
oct | 131413036725 |
9 | 34011055055 |
10 | 12015386069 |
11 | 5106410435 |
12 | 23b3b18505 |
13 | 11963c0acb |
14 | 81daa5021 |
15 | 4a4cae5ce |
hex | 2cc2c3dd5 |
12015386069 has 16 divisors (see below), whose sum is σ = 12705859584. Its totient is φ = 11344460400.
The previous prime is 12015386063. The next prime is 12015386081. The reversal of 12015386069 is 96068351021.
It is a cyclic number.
It is not a de Polignac number, because 12015386069 - 220 = 12014337493 is a prime.
It is a super-2 number, since 2×120153860692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12015386063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289702 + ... + 1298984.
It is an arithmetic number, because the mean of its divisors is an integer number (794116224).
Almost surely, 212015386069 is an apocalyptic number.
It is an amenable number.
12015386069 is a deficient number, since it is larger than the sum of its proper divisors (690473515).
12015386069 is an equidigital number, since it uses as much as digits as its factorization.
12015386069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10328.
The product of its (nonzero) digits is 77760, while the sum is 41.
The spelling of 12015386069 in words is "twelve billion, fifteen million, three hundred eighty-six thousand, sixty-nine".
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