Base | Representation |
---|---|
bin | 110001101000… |
… | …100100000001 |
3 | 220111001000100 |
4 | 301220210001 |
5 | 11312324301 |
6 | 1142513013 |
7 | 215410350 |
oct | 61504401 |
9 | 26431010 |
10 | 13011201 |
11 | 7387565 |
12 | 4435769 |
13 | 2907348 |
14 | 1a29997 |
15 | 1220286 |
hex | c68901 |
13011201 has 12 divisors (see below), whose sum is σ = 21478912. Its totient is φ = 7434936.
The previous prime is 13011197. The next prime is 13011203. The reversal of 13011201 is 10211031.
It is not a de Polignac number, because 13011201 - 22 = 13011197 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (13011203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103201 + ... + 103326.
Almost surely, 213011201 is an apocalyptic number.
It is an amenable number.
13011201 is a deficient number, since it is larger than the sum of its proper divisors (8467711).
13011201 is a wasteful number, since it uses less digits than its factorization.
13011201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206540 (or 206537 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 13011201 is about 3607.1042402459. The cubic root of 13011201 is about 235.2009809240.
Adding to 13011201 its reverse (10211031), we get a palindrome (23222232).
The spelling of 13011201 in words is "thirteen million, eleven thousand, two hundred one".
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