Base | Representation |
---|---|
bin | 1100111111111… |
… | …10010110000000 |
3 | 21121012001210011 |
4 | 12133332112000 |
5 | 210403420440 |
6 | 14453114304 |
7 | 2462603542 |
oct | 637762600 |
9 | 247161704 |
10 | 109045120 |
11 | 5660a238 |
12 | 30628994 |
13 | 1978c852 |
14 | 106a7692 |
15 | 988e9ea |
hex | 67fe580 |
109045120 has 32 divisors (see below), whose sum is σ = 260687520. Its totient is φ = 43617792.
The previous prime is 109045099. The next prime is 109045127. The reversal of 109045120 is 21540901.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 109045091 and 109045100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109045127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84552 + ... + 85831.
It is an arithmetic number, because the mean of its divisors is an integer number (8146485).
Almost surely, 2109045120 is an apocalyptic number.
109045120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109045120 is an abundant number, since it is smaller than the sum of its proper divisors (151642400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109045120 is an equidigital number, since it uses as much as digits as its factorization.
109045120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170402 (or 170390 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 109045120 is about 10442.4671414374. The cubic root of 109045120 is about 477.7515208614.
The spelling of 109045120 in words is "one hundred nine million, forty-five thousand, one hundred twenty".
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