Base | Representation |
---|---|
bin | 110010000101… |
… | …010101000011 |
3 | 220201000122021 |
4 | 302011111003 |
5 | 11330112102 |
6 | 1145222311 |
7 | 216411022 |
oct | 62052503 |
9 | 26630567 |
10 | 13129027 |
11 | 745803a |
12 | 4491997 |
13 | 2948b72 |
14 | 1a5a8b9 |
15 | 1245137 |
hex | c85543 |
13129027 has 8 divisors (see below), whose sum is σ = 13842432. Its totient is φ = 12433800.
The previous prime is 13128991. The next prime is 13129063. The reversal of 13129027 is 72092131.
It is an interprime number because it is at equal distance from previous prime (13128991) and next prime (13129063).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13129027 - 223 = 4740419 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 13128992 and 13129010.
It is not an unprimeable number, because it can be changed into a prime (13129087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 5962.
It is an arithmetic number, because the mean of its divisors is an integer number (1730304).
Almost surely, 213129027 is an apocalyptic number.
13129027 is a deficient number, since it is larger than the sum of its proper divisors (713405).
13129027 is an equidigital number, since it uses as much as digits as its factorization.
13129027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9089.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 13129027 is about 3623.3999227245. The cubic root of 13129027 is about 235.9088211885.
The spelling of 13129027 in words is "thirteen million, one hundred twenty-nine thousand, twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •