Base | Representation |
---|---|
bin | 1101010110101… |
… | …0111101000101 |
3 | 10220101201212020 |
4 | 3111222331011 |
5 | 103314400423 |
6 | 5320313353 |
7 | 1250046036 |
oct | 325527505 |
9 | 126351766 |
10 | 56012613 |
11 | 29688118 |
12 | 16912859 |
13 | b7b2077 |
14 | 7620a8d |
15 | 4db64e3 |
hex | 356af45 |
56012613 has 8 divisors (see below), whose sum is σ = 77930688. Its totient is φ = 35718144.
The previous prime is 56012611. The next prime is 56012623. The reversal of 56012613 is 31621065.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56012613 - 21 = 56012611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56012611) 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, 405820 + ... + 405957.
It is an arithmetic number, because the mean of its divisors is an integer number (9741336).
Almost surely, 256012613 is an apocalyptic number.
It is an amenable number.
56012613 is a deficient number, since it is larger than the sum of its proper divisors (21918075).
56012613 is a wasteful number, since it uses less digits than its factorization.
56012613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 811803.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 56012613 is about 7484.1574676112. The cubic root of 56012613 is about 382.6149579709.
Adding to 56012613 its reverse (31621065), we get a palindrome (87633678).
The spelling of 56012613 in words is "fifty-six million, twelve thousand, six hundred thirteen".
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