Base | Representation |
---|---|
bin | 110001111110… |
… | …110000101010 |
3 | 220122122201210 |
4 | 301332300222 |
5 | 11323231442 |
6 | 1144453550 |
7 | 216236415 |
oct | 61766052 |
9 | 26578653 |
10 | 13102122 |
11 | 7439900 |
12 | 447a2b6 |
13 | 2939847 |
14 | 1a50b7c |
15 | 123c19c |
hex | c7ec2a |
13102122 has 24 divisors (see below), whose sum is σ = 28804608. Its totient is φ = 3970120.
The previous prime is 13102099. The next prime is 13102139. The reversal of 13102122 is 22120131.
It is a junction number, because it is equal to n+sod(n) for n = 13102098 and 13102107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8298 + ... + 9749.
It is an arithmetic number, because the mean of its divisors is an integer number (1200192).
Almost surely, 213102122 is an apocalyptic number.
13102122 is an abundant number, since it is smaller than the sum of its proper divisors (15702486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13102122 is a wasteful number, since it uses less digits than its factorization.
13102122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18074 (or 18063 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 13102122 is about 3619.6853454410. The cubic root of 13102122 is about 235.7475635556.
Adding to 13102122 its reverse (22120131), we get a palindrome (35222253).
Subtracting 13102122 from its reverse (22120131), we obtain a square (9018009 = 30032).
The spelling of 13102122 in words is "thirteen million, one hundred two thousand, one hundred twenty-two".
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