Base | Representation |
---|---|
bin | 11000100110110000… |
… | …01110100111010111 |
3 | 1021002121222120011112 |
4 | 30103120032213113 |
5 | 204023231122221 |
6 | 10022452325235 |
7 | 645233214515 |
oct | 142330164727 |
9 | 37077876145 |
10 | 13210020311 |
11 | 5669791864 |
12 | 268801381b |
13 | 1326a56b87 |
14 | 8d45d94b5 |
15 | 524ada15b |
hex | 31360e9d7 |
13210020311 has 8 divisors (see below), whose sum is σ = 13260936960. Its totient is φ = 13159134072.
The previous prime is 13210020301. The next prime is 13210020319. The reversal of 13210020311 is 11302001231.
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 13210020311 - 214 = 13210003927 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 (13210020319) 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, 1257800 + ... + 1268258.
It is an arithmetic number, because the mean of its divisors is an integer number (1657617120).
Almost surely, 213210020311 is an apocalyptic number.
13210020311 is a deficient number, since it is larger than the sum of its proper divisors (50916649).
13210020311 is a wasteful number, since it uses less digits than its factorization.
13210020311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15205.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13210020311 its reverse (11302001231), we get a palindrome (24512021542).
The spelling of 13210020311 in words is "thirteen billion, two hundred ten million, twenty thousand, three hundred eleven".
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