Base | Representation |
---|---|
bin | 11000100111111101… |
… | …10011000110000011 |
3 | 1021010100000020201000 |
4 | 30103332303012003 |
5 | 204033323144303 |
6 | 10023453143043 |
7 | 645415155366 |
oct | 142376630603 |
9 | 37110006630 |
10 | 13220131203 |
11 | 5674468274 |
12 | 268b48aa83 |
13 | 1328b87056 |
14 | 8d5aac0dd |
15 | 525935da3 |
hex | 313fb3183 |
13220131203 has 32 divisors (see below), whose sum is σ = 19672220480. Its totient is φ = 8774438400.
The previous prime is 13220131193. The next prime is 13220131213. The reversal of 13220131203 is 30213102231.
It is an interprime number because it is at equal distance from previous prime (13220131193) and next prime (13220131213).
It is not a de Polignac number, because 13220131203 - 210 = 13220130179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13220131213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11007003 + ... + 11008203.
It is an arithmetic number, because the mean of its divisors is an integer number (614756890).
Almost surely, 213220131203 is an apocalyptic number.
13220131203 is a deficient number, since it is larger than the sum of its proper divisors (6452089277).
13220131203 is a wasteful number, since it uses less digits than its factorization.
13220131203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2676 (or 2670 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13220131203 its reverse (30213102231), we get a palindrome (43433233434).
The spelling of 13220131203 in words is "thirteen billion, two hundred twenty million, one hundred thirty-one thousand, two hundred three".
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