Base | Representation |
---|---|
bin | 10110010110111000… |
… | …10011111010000101 |
3 | 1010222112000020021220 |
4 | 23023130103322011 |
5 | 144040300143023 |
6 | 5303020430553 |
7 | 603306634026 |
oct | 131334237205 |
9 | 33875006256 |
10 | 12003131013 |
11 | 50aa4aaa95 |
12 | 23ab9a8459 |
13 | 11939bc9b3 |
14 | 81c1d4c4d |
15 | 4a3b8d3e3 |
hex | 2cb713e85 |
12003131013 has 16 divisors (see below), whose sum is σ = 16397908800. Its totient is φ = 7805301120.
The previous prime is 12003131011. The next prime is 12003131017. The reversal of 12003131013 is 31013130021.
It is not a de Polignac number, because 12003131013 - 21 = 12003131011 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12003130983 and 12003131001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12003131011) 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, 985203 + ... + 997311.
It is an arithmetic number, because the mean of its divisors is an integer number (1024869300).
Almost surely, 212003131013 is an apocalyptic number.
It is an amenable number.
12003131013 is a deficient number, since it is larger than the sum of its proper divisors (4394777787).
12003131013 is a wasteful number, since it uses less digits than its factorization.
12003131013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20212.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 12003131013 its reverse (31013130021), we get a palindrome (43016261034).
The spelling of 12003131013 in words is "twelve billion, three million, one hundred thirty-one thousand, thirteen".
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