Base | Representation |
---|---|
bin | 10010111010100100… |
… | …101000001001110101 |
3 | 1221102102220120120221 |
4 | 102322210220021311 |
5 | 313043332024023 |
6 | 13155202254341 |
7 | 1316205301144 |
oct | 227244501165 |
9 | 57372816527 |
10 | 20310033013 |
11 | 8682536456 |
12 | 3b299573b1 |
13 | 1bb89a931a |
14 | da954b75b |
15 | 7dd0ac85d |
hex | 4ba928275 |
20310033013 has 8 divisors (see below), whose sum is σ = 20655129600. Its totient is φ = 19966576560.
The previous prime is 20310033011. The next prime is 20310033053. The reversal of 20310033013 is 31033001302.
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 20310033013 - 21 = 20310033011 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 (20310033011) 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, 385045 + ... + 434602.
It is an arithmetic number, because the mean of its divisors is an integer number (2581891200).
Almost surely, 220310033013 is an apocalyptic number.
It is an amenable number.
20310033013 is a deficient number, since it is larger than the sum of its proper divisors (345096587).
20310033013 is an equidigital number, since it uses as much as digits as its factorization.
20310033013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 820067.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 20310033013 its reverse (31033001302), we get a palindrome (51343034315).
The spelling of 20310033013 in words is "twenty billion, three hundred ten million, thirty-three thousand, thirteen".
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