Base | Representation |
---|---|
bin | 10111010011101100… |
… | …11000110011111001 |
3 | 1012022001221122200211 |
4 | 23221312120303321 |
5 | 201111400031241 |
6 | 5425403031121 |
7 | 622043103400 |
oct | 135166306371 |
9 | 35261848624 |
10 | 12513283321 |
11 | 5341470a70 |
12 | 251280b4a1 |
13 | 12455baa76 |
14 | 869c70637 |
15 | 4d385e781 |
hex | 2e9d98cf9 |
12513283321 has 48 divisors (see below), whose sum is σ = 16904376000. Its totient is φ = 9132963840.
The previous prime is 12513283309. The next prime is 12513283351. The reversal of 12513283321 is 12338231521.
It is not a de Polignac number, because 12513283321 - 225 = 12479728889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12513283301) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 904585 + ... + 918313.
It is an arithmetic number, because the mean of its divisors is an integer number (352174500).
Almost surely, 212513283321 is an apocalyptic number.
12513283321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12513283321 is a deficient number, since it is larger than the sum of its proper divisors (4391092679).
12513283321 is a wasteful number, since it uses less digits than its factorization.
12513283321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13862 (or 13855 counting only the distinct ones).
The product of its digits is 8640, while the sum is 31.
The spelling of 12513283321 in words is "twelve billion, five hundred thirteen million, two hundred eighty-three thousand, three hundred twenty-one".
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