Base | Representation |
---|---|
bin | 111001010001… |
… | …000100010001 |
3 | 1001020200202012 |
4 | 321101010101 |
5 | 12320341423 |
6 | 1253432305 |
7 | 241413044 |
oct | 71210421 |
9 | 31220665 |
10 | 15012113 |
11 | 8523906 |
12 | 503b695 |
13 | 315800c |
14 | 1dcac5b |
15 | 14b8078 |
hex | e51111 |
15012113 has 2 divisors, whose sum is σ = 15012114. Its totient is φ = 15012112.
The previous prime is 15012103. The next prime is 15012143. The reversal of 15012113 is 31121051.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12166144 + 2845969 = 3488^2 + 1687^2 .
It is a cyclic number.
It is not a de Polignac number, because 15012113 - 24 = 15012097 is a prime.
It is a nialpdrome in base 16.
It is not a weakly prime, because it can be changed into another prime (15012103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506056 + 7506057.
It is an arithmetic number, because the mean of its divisors is an integer number (7506057).
Almost surely, 215012113 is an apocalyptic number.
It is an amenable number.
15012113 is a deficient number, since it is larger than the sum of its proper divisors (1).
15012113 is an equidigital number, since it uses as much as digits as its factorization.
15012113 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30, while the sum is 14.
The square root of 15012113 is about 3874.5468122091. The cubic root of 15012113 is about 246.6875745203.
Adding to 15012113 its reverse (31121051), we get a palindrome (46133164).
The spelling of 15012113 in words is "fifteen million, twelve thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •