Base | Representation |
---|---|
bin | 1101000000111… |
… | …00100100000110 |
3 | 21121102100120200 |
4 | 12200130210012 |
5 | 210421401102 |
6 | 14455511330 |
7 | 2463630453 |
oct | 640344406 |
9 | 247370520 |
10 | 109168902 |
11 | 56694237 |
12 | 30688546 |
13 | 19803cab |
14 | 106da82a |
15 | 98b651c |
hex | 681c906 |
109168902 has 48 divisors (see below), whose sum is σ = 248451840. Its totient is φ = 34577136.
The previous prime is 109168901. The next prime is 109168973. The reversal of 109168902 is 209861901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109168901) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68349 + ... + 69927.
It is an arithmetic number, because the mean of its divisors is an integer number (5176080).
Almost surely, 2109168902 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 109168902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124225920).
109168902 is an abundant number, since it is smaller than the sum of its proper divisors (139282938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109168902 is a wasteful number, since it uses less digits than its factorization.
109168902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1777 (or 1774 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 36.
The square root of 109168902 is about 10448.3923165241. The cubic root of 109168902 is about 477.9322248871.
The spelling of 109168902 in words is "one hundred nine million, one hundred sixty-eight thousand, nine hundred two".
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