Base | Representation |
---|---|
bin | 100001000111010… |
… | …0011010101110110 |
3 | 2212102202021210101 |
4 | 1002032203111312 |
5 | 4233421023110 |
6 | 302130544314 |
7 | 36351200521 |
oct | 10216432566 |
9 | 2772667711 |
10 | 1111111030 |
11 | 520214187 |
12 | 27013809a |
13 | 149271163 |
14 | a77d1bb8 |
15 | 6782d13a |
hex | 423a3576 |
1111111030 has 16 divisors (see below), whose sum is σ = 2001903984. Its totient is φ = 444021280.
The previous prime is 1111110989. The next prime is 1111111031. The reversal of 1111111030 is 301111111.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 1111110998 and 1111111016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111111031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41752 + ... + 62971.
It is an arithmetic number, because the mean of its divisors is an integer number (125118999).
Almost surely, 21111111030 is an apocalyptic number.
1111111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1111111030 is a deficient number, since it is larger than the sum of its proper divisors (890792954).
1111111030 is a wasteful number, since it uses less digits than its factorization.
1111111030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105791.
The product of its (nonzero) digits is 3, while the sum is 10.
The square root of 1111111030 is about 33333.3321166666. The cubic root of 1111111030 is about 1035.7441434482.
Adding to 1111111030 its reverse (301111111), we get a palindrome (1412222141).
The spelling of 1111111030 in words is "one billion, one hundred eleven million, one hundred eleven thousand, thirty".
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