Base | Representation |
---|---|
bin | 110001111110… |
… | …101110111011 |
3 | 220122122120200 |
4 | 301332232323 |
5 | 11323231021 |
6 | 1144453243 |
7 | 216236166 |
oct | 61765673 |
9 | 26578520 |
10 | 13102011 |
11 | 743980a |
12 | 447a223 |
13 | 2939790 |
14 | 1a50add |
15 | 123c126 |
hex | c7ebbb |
13102011 has 24 divisors (see below), whose sum is σ = 20582016. Its totient is φ = 7983360.
The previous prime is 13102009. The next prime is 13102013. The reversal of 13102011 is 11020131.
It is an interprime number because it is at equal distance from previous prime (13102009) and next prime (13102013).
It is not a de Polignac number, because 13102011 - 21 = 13102009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 13101984 and 13102002.
It is not an unprimeable number, because it can be changed into a prime (13102013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12726 + ... + 13716.
It is an arithmetic number, because the mean of its divisors is an integer number (857584).
Almost surely, 213102011 is an apocalyptic number.
13102011 is a deficient number, since it is larger than the sum of its proper divisors (7480005).
13102011 is a wasteful number, since it uses less digits than its factorization.
13102011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1123 (or 1120 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 13102011 is about 3619.6700125840. The cubic root of 13102011 is about 235.7468978097.
Adding to 13102011 its reverse (11020131), we get a palindrome (24122142).
It can be divided in two parts, 1310 and 2011, that added together give a triangular number (3321 = T81).
The spelling of 13102011 in words is "thirteen million, one hundred two thousand, eleven".
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