Base | Representation |
---|---|
bin | 110010100110… |
… | …000100101111 |
3 | 220221211121211 |
4 | 302212010233 |
5 | 11343410101 |
6 | 1152135251 |
7 | 220510036 |
oct | 62460457 |
9 | 26854554 |
10 | 13263151 |
11 | 7539890 |
12 | 4537527 |
13 | 2994c25 |
14 | 1a9371d |
15 | 126ec51 |
hex | ca612f |
13263151 has 16 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 11689920.
The previous prime is 13263143. The next prime is 13263167. The reversal of 13263151 is 15136231.
It is a happy number.
13263151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13263151 - 23 = 13263143 is a prime.
It is a super-2 number, since 2×132631512 = 351822348897602, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13263181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66550 + ... + 66748.
It is an arithmetic number, because the mean of its divisors is an integer number (932400).
Almost surely, 213263151 is an apocalyptic number.
13263151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13263151 is a deficient number, since it is larger than the sum of its proper divisors (1655249).
13263151 is a wasteful number, since it uses less digits than its factorization.
13263151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366.
The product of its digits is 540, while the sum is 22.
The square root of 13263151 is about 3641.8609254061. The cubic root of 13263151 is about 236.7094363841.
Adding to 13263151 its reverse (15136231), we get a palindrome (28399382).
Subtracting 13263151 from its reverse (15136231), we obtain a triangular number (1873080 = T1935).
The spelling of 13263151 in words is "thirteen million, two hundred sixty-three thousand, one hundred fifty-one".
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