Base | Representation |
---|---|
bin | 1011111011111011001111… |
… | …0010011011100011110111 |
3 | 1201110122200222111122010102 |
4 | 2332332303302123203313 |
5 | 3210011220201243111 |
6 | 43525051454144315 |
7 | 2523121313350631 |
oct | 276766362334367 |
9 | 51418628448112 |
10 | 13124141431031 |
11 | 41aaa0a768294 |
12 | 157b6684b209b |
13 | 7427a7b82997 |
14 | 3352d73b9a51 |
15 | 17b5c7eed13b |
hex | befb3c9b8f7 |
13124141431031 has 24 divisors (see below), whose sum is σ = 13963493868480. Its totient is φ = 12325737263040.
The previous prime is 13124141430971. The next prime is 13124141431061. The reversal of 13124141431031 is 13013414142131.
It is not a de Polignac number, because 13124141431031 - 234 = 13106961561847 is a prime.
It is a super-2 number, since 2×131241414310312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13124141430985 and 13124141431003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13124141431061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13357250 + ... + 14306096.
It is an arithmetic number, because the mean of its divisors is an integer number (581812244520).
Almost surely, 213124141431031 is an apocalyptic number.
13124141431031 is a deficient number, since it is larger than the sum of its proper divisors (839352437449).
13124141431031 is an equidigital number, since it uses as much as digits as its factorization.
13124141431031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949335 (or 949304 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
Adding to 13124141431031 its reverse (13013414142131), we get a palindrome (26137555573162).
The spelling of 13124141431031 in words is "thirteen trillion, one hundred twenty-four billion, one hundred forty-one million, four hundred thirty-one thousand, thirty-one".
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