Base | Representation |
---|---|
bin | 100001000111000… |
… | …1000110100111111 |
3 | 2212102112202211012 |
4 | 1002032020310333 |
5 | 4233404034211 |
6 | 302124345435 |
7 | 36350236100 |
oct | 10216106477 |
9 | 2772482735 |
10 | 1111002431 |
11 | 52014a630 |
12 | 2700a527b |
13 | 1492338b6 |
14 | a77a43a7 |
15 | 6780ad8b |
hex | 42388d3f |
1111002431 has 24 divisors (see below), whose sum is σ = 1416194640. Its totient is φ = 861840000.
The previous prime is 1111002413. The next prime is 1111002439. The reversal of 1111002431 is 1342001111.
It is not a de Polignac number, because 1111002431 - 230 = 37260607 is a prime.
It is a super-3 number, since 3×11110024313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111002439) 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, 118931 + ... + 127931.
It is an arithmetic number, because the mean of its divisors is an integer number (59008110).
Almost surely, 21111002431 is an apocalyptic number.
1111002431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1111002431 is a deficient number, since it is larger than the sum of its proper divisors (305192209).
1111002431 is a wasteful number, since it uses less digits than its factorization.
1111002431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9255 (or 9248 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 1111002431 is about 33331.7030918014. The cubic root of 1111002431 is about 1035.7103981128.
Adding to 1111002431 its reverse (1342001111), we get a palindrome (2453003542).
The spelling of 1111002431 in words is "one billion, one hundred eleven million, two thousand, four hundred thirty-one".
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