Base | Representation |
---|---|
bin | 10110010110110111… |
… | …11001010100110011 |
3 | 1010222111210200221020 |
4 | 23023123321110303 |
5 | 144040233202011 |
6 | 5303014230523 |
7 | 603306001422 |
oct | 131333712463 |
9 | 33874720836 |
10 | 12003022131 |
11 | 50aa436201 |
12 | 23ab955443 |
13 | 1193982279 |
14 | 81c1a72b9 |
15 | 4a3b6b006 |
hex | 2cb6f9533 |
12003022131 has 16 divisors (see below), whose sum is σ = 16211343360. Its totient is φ = 7898417280.
The previous prime is 12003022099. The next prime is 12003022169. The reversal of 12003022131 is 13122030021.
It is not a de Polignac number, because 12003022131 - 25 = 12003022099 is a prime.
It is a super-2 number, since 2×120030221312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12003022131.
It is not an unprimeable number, because it can be changed into a prime (12003022181) 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, 1273446 + ... + 1282836.
It is an arithmetic number, because the mean of its divisors is an integer number (1013208960).
Almost surely, 212003022131 is an apocalyptic number.
12003022131 is a deficient number, since it is larger than the sum of its proper divisors (4208321229).
12003022131 is an equidigital number, since it uses as much as digits as its factorization.
12003022131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14866.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12003022131 its reverse (13122030021), we get a palindrome (25125052152).
The spelling of 12003022131 in words is "twelve billion, three million, twenty-two thousand, one hundred thirty-one".
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