Base | Representation |
---|---|
bin | 11000010000001100… |
… | …01001001010100111 |
3 | 1020121102210121201010 |
4 | 30020012021022213 |
5 | 203131301330043 |
6 | 5552011233303 |
7 | 640444244010 |
oct | 141006111247 |
9 | 36542717633 |
10 | 13020730023 |
11 | 5581954204 |
12 | 2634748833 |
13 | 12c677c4a2 |
14 | 8b7404007 |
15 | 513199133 |
hex | 3081892a7 |
13020730023 has 16 divisors (see below), whose sum is σ = 20263265280. Its totient is φ = 7282109856.
The previous prime is 13020730013. The next prime is 13020730027. The reversal of 13020730023 is 32003702031.
It is not a de Polignac number, because 13020730023 - 229 = 12483859111 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020730027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6595128 + ... + 6597101.
It is an arithmetic number, because the mean of its divisors is an integer number (1266454080).
Almost surely, 213020730023 is an apocalyptic number.
13020730023 is a deficient number, since it is larger than the sum of its proper divisors (7242535257).
13020730023 is a wasteful number, since it uses less digits than its factorization.
13020730023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13192286.
The product of its (nonzero) digits is 756, while the sum is 21.
The spelling of 13020730023 in words is "thirteen billion, twenty million, seven hundred thirty thousand, twenty-three".
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