Base | Representation |
---|---|
bin | 100001010110101… |
… | …1100111001100110 |
3 | 2212222222211000100 |
4 | 1002231130321212 |
5 | 4243004223420 |
6 | 303020324530 |
7 | 36510065103 |
oct | 10255347146 |
9 | 2788884010 |
10 | 1119211110 |
11 | 524846966 |
12 | 2729a3746 |
13 | 14ab48cc4 |
14 | a88ddaaa |
15 | 683cd190 |
hex | 42b5ce66 |
1119211110 has 24 divisors (see below), whose sum is σ = 2909949120. Its totient is φ = 298456272.
The previous prime is 1119211063. The next prime is 1119211111. The reversal of 1119211110 is 111129111.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1119211111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6217750 + ... + 6217929.
It is an arithmetic number, because the mean of its divisors is an integer number (121247880).
Almost surely, 21119211110 is an apocalyptic number.
1119211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1119211110 is an abundant number, since it is smaller than the sum of its proper divisors (1790738010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1119211110 is a wasteful number, since it uses less digits than its factorization.
1119211110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12435692 (or 12435689 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 18.
The square root of 1119211110 is about 33454.6126864443. The cubic root of 1119211110 is about 1038.2549353217.
The spelling of 1119211110 in words is "one billion, one hundred nineteen million, two hundred eleven thousand, one hundred ten".
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