Base | Representation |
---|---|
bin | 110001111111… |
… | …110101010000 |
3 | 220122212202101 |
4 | 301333311100 |
5 | 11323402022 |
6 | 1144530144 |
7 | 216255256 |
oct | 61776520 |
9 | 26585671 |
10 | 13106512 |
11 | 7442131 |
12 | 4480954 |
13 | 293b843 |
14 | 1a525d6 |
15 | 123d627 |
hex | c7fd50 |
13106512 has 10 divisors (see below), whose sum is σ = 25393898. Its totient is φ = 6553248.
The previous prime is 13106497. The next prime is 13106519. The reversal of 13106512 is 21560131.
It can be written as a sum of positive squares in only one way, i.e., 12138256 + 968256 = 3484^2 + 984^2 .
It is a super-2 number, since 2×131065122 = 343561313612288, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13106512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13106519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409563 + ... + 409594.
Almost surely, 213106512 is an apocalyptic number.
It is an amenable number.
13106512 is a deficient number, since it is larger than the sum of its proper divisors (12287386).
13106512 is an equidigital number, since it uses as much as digits as its factorization.
13106512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819165 (or 819159 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 13106512 is about 3620.2917009545. The cubic root of 13106512 is about 235.7738904930.
Adding to 13106512 its reverse (21560131), we get a palindrome (34666643).
The spelling of 13106512 in words is "thirteen million, one hundred six thousand, five hundred twelve".
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