Base | Representation |
---|---|
bin | 110001111110… |
… | …110000100000 |
3 | 220122122201102 |
4 | 301332300200 |
5 | 11323231422 |
6 | 1144453532 |
7 | 216236402 |
oct | 61766040 |
9 | 26578642 |
10 | 13102112 |
11 | 74398a1 |
12 | 447a2a8 |
13 | 293983a |
14 | 1a50b72 |
15 | 123c192 |
hex | c7ec20 |
13102112 has 12 divisors (see below), whose sum is σ = 25794846. Its totient is φ = 6551040.
The previous prime is 13102099. The next prime is 13102139. The reversal of 13102112 is 21120131.
It can be written as a sum of positive squares in only one way, i.e., 12645136 + 456976 = 3556^2 + 676^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13102093 and 13102102.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204689 + ... + 204752.
Almost surely, 213102112 is an apocalyptic number.
It is an amenable number.
13102112 is a deficient number, since it is larger than the sum of its proper divisors (12692734).
13102112 is an equidigital number, since it uses as much as digits as its factorization.
13102112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409451 (or 409443 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 13102112 is about 3619.6839641052. The cubic root of 13102112 is about 235.7475035787.
Adding to 13102112 its reverse (21120131), we get a palindrome (34222243).
The spelling of 13102112 in words is "thirteen million, one hundred two thousand, one hundred twelve".
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