Base | Representation |
---|---|
bin | 10011000111001111010… |
… | …001010011001011111111 |
3 | 11122120020001200100210121 |
4 | 103013033101103023333 |
5 | 133004412231202111 |
6 | 2443215341515411 |
7 | 163615220365324 |
oct | 23071721231377 |
9 | 4576201610717 |
10 | 1313442444031 |
11 | 467034022373 |
12 | 192679272b67 |
13 | 96b1b04b833 |
14 | 477dc9a6b4b |
15 | 24274121871 |
hex | 131cf4532ff |
1313442444031 has 16 divisors (see below), whose sum is σ = 1362575047680. Its totient is φ = 1265159286720.
The previous prime is 1313442444019. The next prime is 1313442444047. The reversal of 1313442444031 is 1304442443131.
It is a cyclic number.
It is not a de Polignac number, because 1313442444031 - 221 = 1313440346879 is a prime.
It is a super-2 number, since 2×13134424440312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313442445031) 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, 29204760 + ... + 29249698.
It is an arithmetic number, because the mean of its divisors is an integer number (85160940480).
Almost surely, 21313442444031 is an apocalyptic number.
1313442444031 is a deficient number, since it is larger than the sum of its proper divisors (49132603649).
1313442444031 is an equidigital number, since it uses as much as digits as its factorization.
1313442444031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54366.
The product of its (nonzero) digits is 55296, while the sum is 34.
Adding to 1313442444031 its reverse (1304442443131), we get a palindrome (2617884887162).
The spelling of 1313442444031 in words is "one trillion, three hundred thirteen billion, four hundred forty-two million, four hundred forty-four thousand, thirty-one".
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