Base | Representation |
---|---|
bin | 10110100000000101… |
… | …11100000101000111 |
3 | 1011011220100011122002 |
4 | 23100002330011013 |
5 | 144220033202040 |
6 | 5314420055515 |
7 | 605235262433 |
oct | 132002740507 |
9 | 34156304562 |
10 | 12080365895 |
11 | 513a062774 |
12 | 241183459b |
13 | 11a69c2600 |
14 | 82857b9c3 |
15 | 4aa847a15 |
hex | 2d00bc147 |
12080365895 has 12 divisors (see below), whose sum is σ = 15697328616. Its totient is φ = 8920884960.
The previous prime is 12080365859. The next prime is 12080365897. The reversal of 12080365895 is 59856308021.
It is not a de Polignac number, because 12080365895 - 28 = 12080365639 is a prime.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12080365897) 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, 7147301 + ... + 7148990.
It is an arithmetic number, because the mean of its divisors is an integer number (1308110718).
Almost surely, 212080365895 is an apocalyptic number.
12080365895 is a deficient number, since it is larger than the sum of its proper divisors (3616962721).
12080365895 is a wasteful number, since it uses less digits than its factorization.
12080365895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14296322 (or 14296309 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 47.
The spelling of 12080365895 in words is "twelve billion, eighty million, three hundred sixty-five thousand, eight hundred ninety-five".
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