Base | Representation |
---|---|
bin | 11000011001101011… |
… | …01011111110001101 |
3 | 1020210222112022020120 |
4 | 30030311223332031 |
5 | 203312134132341 |
6 | 10003532535153 |
7 | 642431505636 |
oct | 141465537615 |
9 | 36728468216 |
10 | 13100302221 |
11 | 5612862a56 |
12 | 26573214b9 |
13 | 130a0bcc26 |
14 | 8c3bd888d |
15 | 51a166066 |
hex | 30cd6bf8d |
13100302221 has 16 divisors (see below), whose sum is σ = 18511182144. Its totient is φ = 8212402944.
The previous prime is 13100302199. The next prime is 13100302253. The reversal of 13100302221 is 12220300131.
It is not a de Polignac number, because 13100302221 - 26 = 13100302157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13100302221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100303221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58015 + ... + 171948.
It is an arithmetic number, because the mean of its divisors is an integer number (1156948884).
Almost surely, 213100302221 is an apocalyptic number.
It is an amenable number.
13100302221 is a deficient number, since it is larger than the sum of its proper divisors (5410879923).
13100302221 is a wasteful number, since it uses less digits than its factorization.
13100302221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231100.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 13100302221 its reverse (12220300131), we get a palindrome (25320602352).
The spelling of 13100302221 in words is "thirteen billion, one hundred million, three hundred two thousand, two hundred twenty-one".
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