Base | Representation |
---|---|
bin | 110010001010… |
… | …111100111101 |
3 | 220202012020101 |
4 | 302022330331 |
5 | 11331331221 |
6 | 1145521101 |
7 | 216535126 |
oct | 62127475 |
9 | 26665211 |
10 | 13152061 |
11 | 747337a |
12 | 44a3191 |
13 | 29564b0 |
14 | 1a6504d |
15 | 124bd91 |
hex | c8af3d |
13152061 has 4 divisors (see below), whose sum is σ = 14163772. Its totient is φ = 12140352.
The previous prime is 13152059. The next prime is 13152071. The reversal of 13152061 is 16025131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 9803161 = 1830^2 + 3131^2 .
It is a cyclic number.
It is not a de Polignac number, because 13152061 - 21 = 13152059 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13152011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505836 + ... + 505861.
It is an arithmetic number, because the mean of its divisors is an integer number (3540943).
Almost surely, 213152061 is an apocalyptic number.
It is an amenable number.
13152061 is a deficient number, since it is larger than the sum of its proper divisors (1011711).
13152061 is a wasteful number, since it uses less digits than its factorization.
13152061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011710.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 13152061 is about 3626.5770362699. The cubic root of 13152061 is about 236.0467026696.
Adding to 13152061 its reverse (16025131), we get a palindrome (29177192).
The spelling of 13152061 in words is "thirteen million, one hundred fifty-two thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •