Base | Representation |
---|---|
bin | 11000100111111100… |
… | …11000001111010010 |
3 | 1021010022210122210220 |
4 | 30103332120033102 |
5 | 204033311134302 |
6 | 10023450533510 |
7 | 645414216603 |
oct | 142376301722 |
9 | 37108718726 |
10 | 13220021202 |
11 | 56743a2663 |
12 | 268b437296 |
13 | 1328b48c6b |
14 | 8d5a7ddaa |
15 | 5259134bc |
hex | 313f983d2 |
13220021202 has 24 divisors (see below), whose sum is σ = 28086830736. Its totient is φ = 4147457088.
The previous prime is 13220021201. The next prime is 13220021203. The reversal of 13220021202 is 20212002231.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13220021201) and next prime (13220021203).
It is not an unprimeable number, because it can be changed into a prime (13220021201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3810268 + ... + 3813735.
It is an arithmetic number, because the mean of its divisors is an integer number (1170284614).
Almost surely, 213220021202 is an apocalyptic number.
13220021202 is an abundant number, since it is smaller than the sum of its proper divisors (14866809534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13220021202 is a wasteful number, since it uses less digits than its factorization.
13220021202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7624042 (or 7624025 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 13220021202 its reverse (20212002231), we get a palindrome (33432023433).
The spelling of 13220021202 in words is "thirteen billion, two hundred twenty million, twenty-one thousand, two hundred two".
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