Base | Representation |
---|---|
bin | 1101000010011… |
… | …10001000001000 |
3 | 21121210200001120 |
4 | 12201032020020 |
5 | 210444400122 |
6 | 14504115240 |
7 | 2465434356 |
oct | 641161010 |
9 | 247720046 |
10 | 109371912 |
11 | 56812811 |
12 | 30765b20 |
13 | 19875510 |
14 | 107507d6 |
15 | 990675c |
hex | 684e208 |
109371912 has 64 divisors (see below), whose sum is σ = 295538880. Its totient is φ = 33530112.
The previous prime is 109371893. The next prime is 109371943. The reversal of 109371912 is 219173901.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123423 + ... + 124305.
It is an arithmetic number, because the mean of its divisors is an integer number (4617795).
Almost surely, 2109371912 is an apocalyptic number.
109371912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 109371912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147769440).
109371912 is an abundant number, since it is smaller than the sum of its proper divisors (186166968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109371912 is a wasteful number, since it uses less digits than its factorization.
109371912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 33.
The square root of 109371912 is about 10458.1026959961. The cubic root of 109371912 is about 478.2282949791.
The spelling of 109371912 in words is "one hundred nine million, three hundred seventy-one thousand, nine hundred twelve".
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