Base | Representation |
---|---|
bin | 1101000110001… |
… | …11101101011000 |
3 | 21122201222012000 |
4 | 12203013231120 |
5 | 211111314122 |
6 | 14522521000 |
7 | 2502610305 |
oct | 643075530 |
9 | 248658160 |
10 | 109869912 |
11 | 57022989 |
12 | 30966160 |
13 | 199bb0a9 |
14 | 108400ac |
15 | 99a40ac |
hex | 68c7b58 |
109869912 has 64 divisors (see below), whose sum is σ = 323157600. Its totient is φ = 34467840.
The previous prime is 109869911. The next prime is 109869941. The reversal of 109869912 is 219968901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109869911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289 + ... + 18632.
Almost surely, 2109869912 is an apocalyptic number.
109869912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
109869912 is an abundant number, since it is smaller than the sum of its proper divisors (213287688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109869912 is a wasteful number, since it uses less digits than its factorization.
109869912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29953 (or 29943 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 45.
The square root of 109869912 is about 10481.8849449896. The cubic root of 109869912 is about 478.9530305248.
The spelling of 109869912 in words is "one hundred nine million, eight hundred sixty-nine thousand, nine hundred twelve".
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