Base | Representation |
---|---|
bin | 11000011100001101… |
… | …00011101101000111 |
3 | 1020212110102100220102 |
4 | 30032012203231013 |
5 | 203333101031043 |
6 | 10010011154315 |
7 | 643106632640 |
oct | 141606435507 |
9 | 36773370812 |
10 | 13121502023 |
11 | 5623822753 |
12 | 266244599b |
13 | 13116034a6 |
14 | 8c69566c7 |
15 | 51be526b8 |
hex | 30e1a3b47 |
13121502023 has 32 divisors (see below), whose sum is σ = 15739920000. Its totient is φ = 10701250560.
The previous prime is 13121502007. The next prime is 13121502041. The reversal of 13121502023 is 32020512131.
13121502023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13121502023 - 24 = 13121502007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13121501986 and 13121502004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121502223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6304343 + ... + 6306423.
It is an arithmetic number, because the mean of its divisors is an integer number (491872500).
Almost surely, 213121502023 is an apocalyptic number.
13121502023 is a deficient number, since it is larger than the sum of its proper divisors (2618417977).
13121502023 is a wasteful number, since it uses less digits than its factorization.
13121502023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2555.
The product of its (nonzero) digits is 360, while the sum is 20.
The spelling of 13121502023 in words is "thirteen billion, one hundred twenty-one million, five hundred two thousand, twenty-three".
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