Base | Representation |
---|---|
bin | 1100001100001… |
… | …1000011111001 |
3 | 10120012201000120 |
4 | 3003003003321 |
5 | 101042134432 |
6 | 5023523453 |
7 | 1160413566 |
oct | 303030371 |
9 | 116181016 |
10 | 51130617 |
11 | 2695320a |
12 | 15159589 |
13 | a792c05 |
14 | 6b0d86d |
15 | 474ec2c |
hex | 30c30f9 |
51130617 has 16 divisors (see below), whose sum is σ = 69335040. Its totient is φ = 33510672.
The previous prime is 51130613. The next prime is 51130621. The reversal of 51130617 is 71603115.
It is an interprime number because it is at equal distance from previous prime (51130613) and next prime (51130621).
It is not a de Polignac number, because 51130617 - 22 = 51130613 is a prime.
It is a super-2 number, since 2×511306172 = 5228679989601378, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51130613) 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, 104748 + ... + 105234.
It is an arithmetic number, because the mean of its divisors is an integer number (4333440).
Almost surely, 251130617 is an apocalyptic number.
It is an amenable number.
51130617 is a deficient number, since it is larger than the sum of its proper divisors (18204423).
51130617 is a wasteful number, since it uses less digits than its factorization.
51130617 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012.
The product of its (nonzero) digits is 630, while the sum is 24.
The square root of 51130617 is about 7150.5675998483. The cubic root of 51130617 is about 371.1592978659.
The spelling of 51130617 in words is "fifty-one million, one hundred thirty thousand, six hundred seventeen".
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