Base | Representation |
---|---|
bin | 10111111010101001… |
… | …11010100001110100 |
3 | 1020010211211021020001 |
4 | 23331110322201310 |
5 | 202244023142402 |
6 | 5522034521044 |
7 | 633121435264 |
oct | 137524724164 |
9 | 36124737201 |
10 | 12840052852 |
11 | 5499969830 |
12 | 25a4136184 |
13 | 12981cc313 |
14 | 89b4117a4 |
15 | 5023aa187 |
hex | 2fd53a874 |
12840052852 has 12 divisors (see below), whose sum is σ = 24512828256. Its totient is φ = 5836387640.
The previous prime is 12840052837. The next prime is 12840052853. The reversal of 12840052852 is 25825004821.
It is a super-3 number, since 3×128400528523 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12840052853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145909648 + ... + 145909735.
It is an arithmetic number, because the mean of its divisors is an integer number (2042735688).
Almost surely, 212840052852 is an apocalyptic number.
It is an amenable number.
12840052852 is a deficient number, since it is larger than the sum of its proper divisors (11672775404).
12840052852 is a wasteful number, since it uses less digits than its factorization.
12840052852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291819398 (or 291819396 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 37.
The spelling of 12840052852 in words is "twelve billion, eight hundred forty million, fifty-two thousand, eight hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •