Base | Representation |
---|---|
bin | 11000000111010010… |
… | …00010110010000001 |
3 | 1020102020011120120001 |
4 | 30003221002302001 |
5 | 203003133232313 |
6 | 5540341320001 |
7 | 635546060224 |
oct | 140351026201 |
9 | 36366146501 |
10 | 12945992833 |
11 | 5543748034 |
12 | 2613706001 |
13 | 12b41426b7 |
14 | 8ab50b5bb |
15 | 50b834add |
hex | 303a42c81 |
12945992833 has 16 divisors (see below), whose sum is σ = 13211527680. Its totient is φ = 12683414016.
The previous prime is 12945992831. The next prime is 12945992867. The reversal of 12945992833 is 33829954921.
It is a cyclic number.
It is not a de Polignac number, because 12945992833 - 21 = 12945992831 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12945992831) 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, 6202116 + ... + 6204202.
It is an arithmetic number, because the mean of its divisors is an integer number (825720480).
Almost surely, 212945992833 is an apocalyptic number.
It is an amenable number.
12945992833 is a deficient number, since it is larger than the sum of its proper divisors (265534847).
12945992833 is a wasteful number, since it uses less digits than its factorization.
12945992833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2736.
The product of its digits is 4199040, while the sum is 55.
The spelling of 12945992833 in words is "twelve billion, nine hundred forty-five million, nine hundred ninety-two thousand, eight hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •