Base | Representation |
---|---|
bin | 10110111011110100… |
… | …11010011100100011 |
3 | 1011210010002211002121 |
4 | 23131322122130203 |
5 | 200204112341003 |
6 | 5353450325111 |
7 | 614061606115 |
oct | 133572323443 |
9 | 34703084077 |
10 | 12313012003 |
11 | 5249413186 |
12 | 2477729797 |
13 | 1212c6a126 |
14 | 84b41b3b5 |
15 | 4c0e9ecbd |
hex | 2dde9a723 |
12313012003 has 4 divisors (see below), whose sum is σ = 12375514800. Its totient is φ = 12250509208.
The previous prime is 12313011989. The next prime is 12313012057. The reversal of 12313012003 is 30021031321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30021031321 = 139343 ⋅215447.
It is a cyclic number.
It is not a de Polignac number, because 12313012003 - 213 = 12313003811 is a prime.
It is a super-2 number, since 2×123130120032 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12313019003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31251103 + ... + 31251496.
It is an arithmetic number, because the mean of its divisors is an integer number (3093878700).
Almost surely, 212313012003 is an apocalyptic number.
12313012003 is a deficient number, since it is larger than the sum of its proper divisors (62502797).
12313012003 is an equidigital number, since it uses as much as digits as its factorization.
12313012003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62502796.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 12313012003 its reverse (30021031321), we get a palindrome (42334043324).
The spelling of 12313012003 in words is "twelve billion, three hundred thirteen million, twelve thousand, three".
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