Base | Representation |
---|---|
bin | 111100101011100110… |
… | …1010000100011001011 |
3 | 110110100200020012020210 |
4 | 1321113031100203023 |
5 | 4113334400043311 |
6 | 135510424452203 |
7 | 12262153451562 |
oct | 1712715204313 |
9 | 413320205223 |
10 | 130312112331 |
11 | 502a0876805 |
12 | 2130931a063 |
13 | c39975379b |
14 | 6442b12bd9 |
15 | 35ca4663a6 |
hex | 1e573508cb |
130312112331 has 16 divisors (see below), whose sum is σ = 173978380800. Its totient is φ = 86760362208.
The previous prime is 130312112291. The next prime is 130312112347. The reversal of 130312112331 is 133211213031.
It is a happy number.
It is not a de Polignac number, because 130312112331 - 218 = 130311850187 is a prime.
It is a super-2 number, since 2×1303121123312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130312112298 and 130312112307.
It is not an unprimeable number, because it can be changed into a prime (130312116331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9771390 + ... + 9784716.
It is an arithmetic number, because the mean of its divisors is an integer number (10873648800).
Almost surely, 2130312112331 is an apocalyptic number.
130312112331 is a deficient number, since it is larger than the sum of its proper divisors (43666268469).
130312112331 is a wasteful number, since it uses less digits than its factorization.
130312112331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17378.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 130312112331 its reverse (133211213031), we get a palindrome (263523325362).
The spelling of 130312112331 in words is "one hundred thirty billion, three hundred twelve million, one hundred twelve thousand, three hundred thirty-one".
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