Base | Representation |
---|---|
bin | 1101111011011110111011… |
… | …01001111110001110110011 |
3 | 11000110022022011011212200112 |
4 | 12331233131221332032303 |
5 | 13003330023410232230 |
6 | 145051425213211535 |
7 | 6311011653526553 |
oct | 675573551761663 |
9 | 130408264155615 |
10 | 30631130555315 |
11 | 983a653712614 |
12 | 3528627790bab |
13 | 1412670750194 |
14 | 77c7a9c8d163 |
15 | 381bbcb3ed95 |
hex | 1bdbdda7e3b3 |
30631130555315 has 24 divisors (see below), whose sum is σ = 37490945512608. Its totient is φ = 24024491458560.
The previous prime is 30631130555309. The next prime is 30631130555317. The reversal of 30631130555315 is 51355503113603.
It is not a de Polignac number, because 30631130555315 - 228 = 30630862119859 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30631130555317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007795 + ... + 7891635.
It is an arithmetic number, because the mean of its divisors is an integer number (1562122729692).
Almost surely, 230631130555315 is an apocalyptic number.
30631130555315 is a deficient number, since it is larger than the sum of its proper divisors (6859814957293).
30631130555315 is an equidigital number, since it uses as much as digits as its factorization.
30631130555315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6884159 (or 6884086 counting only the distinct ones).
The product of its (nonzero) digits is 303750, while the sum is 41.
Adding to 30631130555315 its reverse (51355503113603), we get a palindrome (81986633668918).
The spelling of 30631130555315 in words is "thirty trillion, six hundred thirty-one billion, one hundred thirty million, five hundred fifty-five thousand, three hundred fifteen".
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