Base | Representation |
---|---|
bin | 1101011110010… |
… | …0111001100111 |
3 | 10221100010000212 |
4 | 3113210321213 |
5 | 103431341403 |
6 | 5335130035 |
7 | 1254226214 |
oct | 327447147 |
9 | 127303025 |
10 | 56512103 |
11 | 2999941a |
12 | 16b1391b |
13 | b92851b |
14 | 7710b0b |
15 | 4e644d8 |
hex | 35e4e67 |
56512103 has 8 divisors (see below), whose sum is σ = 57245328. Its totient is φ = 55782144.
The previous prime is 56512037. The next prime is 56512139. The reversal of 56512103 is 30121565.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56512103 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 (56512153) 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, 65825 + ... + 66677.
It is an arithmetic number, because the mean of its divisors is an integer number (7155666).
Almost surely, 256512103 is an apocalyptic number.
56512103 is a deficient number, since it is larger than the sum of its proper divisors (733225).
56512103 is an equidigital number, since it uses as much as digits as its factorization.
56512103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1633.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 56512103 is about 7517.4532256609. The cubic root of 56512103 is about 383.7489112851.
Adding to 56512103 its reverse (30121565), we get a palindrome (86633668).
The spelling of 56512103 in words is "fifty-six million, five hundred twelve thousand, one hundred three".
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