Base | Representation |
---|---|
bin | 100001000111000… |
… | …1010101011011001 |
3 | 2212102120011012212 |
4 | 1002032022223121 |
5 | 4233404310014 |
6 | 302124444505 |
7 | 36350300144 |
oct | 10216125331 |
9 | 2772504185 |
10 | 1111010009 |
11 | 52015529a |
12 | 2700a9735 |
13 | 149237195 |
14 | a77a705b |
15 | 6780d23e |
hex | 4238aad9 |
1111010009 has 16 divisors (see below), whose sum is σ = 1243382400. Its totient is φ = 987757056.
The previous prime is 1111010003. The next prime is 1111010053. The reversal of 1111010009 is 9000101111.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1111010009 - 216 = 1110944473 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1111009975 and 1111010002.
It is not an unprimeable number, because it can be changed into a prime (1111010003) 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, 824 + ... + 47145.
It is an arithmetic number, because the mean of its divisors is an integer number (77711400).
Almost surely, 21111010009 is an apocalyptic number.
1111010009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1111010009 is a deficient number, since it is larger than the sum of its proper divisors (132372391).
1111010009 is a wasteful number, since it uses less digits than its factorization.
1111010009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48064.
The product of its (nonzero) digits is 9, while the sum is 14.
The square root of 1111010009 is about 33331.8167671671. The cubic root of 1111010009 is about 1035.7127529218.
The spelling of 1111010009 in words is "one billion, one hundred eleven million, ten thousand, nine".
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