Base | Representation |
---|---|
bin | 100001000111010… |
… | …0011000111100000 |
3 | 2212102202020112101 |
4 | 1002032203013200 |
5 | 4233421010422 |
6 | 302130540144 |
7 | 36351165040 |
oct | 10216430740 |
9 | 2772666471 |
10 | 1111110112 |
11 | 520213522 |
12 | 270137654 |
13 | 149270908 |
14 | a77d1720 |
15 | 6782cc27 |
hex | 423a31e0 |
1111110112 has 24 divisors (see below), whose sum is σ = 2499998256. Its totient is φ = 476189952.
The previous prime is 1111110107. The next prime is 1111110113. The reversal of 1111110112 is 2110111111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111110113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479933 + ... + 2480380.
It is an arithmetic number, because the mean of its divisors is an integer number (104166594).
Almost surely, 21111110112 is an apocalyptic number.
It is an amenable number.
1111110112 is an abundant number, since it is smaller than the sum of its proper divisors (1388888144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111110112 is an equidigital number, since it uses as much as digits as its factorization.
1111110112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4960330 (or 4960322 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 10.
The square root of 1111110112 is about 33333.3183466633. The cubic root of 1111110112 is about 1035.7438582041.
Adding to 1111110112 its reverse (2110111111), we get a palindrome (3221221223).
Subtracting 1111110112 from its reverse (2110111111), we obtain a palindrome (999000999).
The spelling of 1111110112 in words is "one billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".
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