Base | Representation |
---|---|
bin | 10010101111110101… |
… | …111110110101110101 |
3 | 1220221220012122000021 |
4 | 102233311332311311 |
5 | 312211242024023 |
6 | 13125252245141 |
7 | 1311561312616 |
oct | 225765766565 |
9 | 56856178007 |
10 | 20130033013 |
11 | 859a973822 |
12 | 3a996107b1 |
13 | 1b8a60544c |
14 | d8d693c0d |
15 | 7cc3a435d |
hex | 4afd7ed75 |
20130033013 has 8 divisors (see below), whose sum is σ = 21425748480. Its totient is φ = 18846717120.
The previous prime is 20130032987. The next prime is 20130033023. The reversal of 20130033013 is 31033003102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20130033013 - 25 = 20130032981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130033023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096543 + ... + 3103036.
It is an arithmetic number, because the mean of its divisors is an integer number (2678218560).
Almost surely, 220130033013 is an apocalyptic number.
It is an amenable number.
20130033013 is a deficient number, since it is larger than the sum of its proper divisors (1295715467).
20130033013 is a wasteful number, since it uses less digits than its factorization.
20130033013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6199787.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 20130033013 its reverse (31033003102), we get a palindrome (51163036115).
The spelling of 20130033013 in words is "twenty billion, one hundred thirty million, thirty-three thousand, thirteen".
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