Base | Representation |
---|---|
bin | 10110111011100001… |
… | …11100100000110111 |
3 | 1011202221102201120101 |
4 | 23131300330200313 |
5 | 200202443430403 |
6 | 5353321214531 |
7 | 614031531214 |
oct | 133560744067 |
9 | 34687381511 |
10 | 12310530103 |
11 | 5247a78523 |
12 | 2476931447 |
13 | 12125ab551 |
14 | 84ad72b0b |
15 | 4c0b5e71d |
hex | 2ddc3c837 |
12310530103 has 4 divisors (see below), whose sum is σ = 12958452760. Its totient is φ = 11662607448.
The previous prime is 12310530091. The next prime is 12310530121. The reversal of 12310530103 is 30103501321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12310530103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 647922637 = 12310530103 / (1 + 2 + 3 + 1 + 0 + 5 + 3 + 0 + 1 + 0 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12310530403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323961300 + ... + 323961337.
It is an arithmetic number, because the mean of its divisors is an integer number (3239613190).
Almost surely, 212310530103 is an apocalyptic number.
12310530103 is a deficient number, since it is larger than the sum of its proper divisors (647922657).
12310530103 is an equidigital number, since it uses as much as digits as its factorization.
12310530103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 647922656.
The product of its (nonzero) digits is 270, while the sum is 19.
The spelling of 12310530103 in words is "twelve billion, three hundred ten million, five hundred thirty thousand, one hundred three".
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