Base | Representation |
---|---|
bin | 10000111101110011… |
… | …01101110110100010 |
3 | 212111210000200220210 |
4 | 20132321231312202 |
5 | 122123221143330 |
6 | 4103452114550 |
7 | 441466650624 |
oct | 103671556642 |
9 | 25453020823 |
10 | 9108381090 |
11 | 3954497586 |
12 | 1922465a56 |
13 | b22069813 |
14 | 625988c14 |
15 | 3849898b0 |
hex | 21ee6dda2 |
9108381090 has 32 divisors (see below), whose sum is σ = 21875579136. Its totient is φ = 2427183360.
The previous prime is 9108381043. The next prime is 9108381097. The reversal of 9108381090 is 901838019.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (9108381097) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63991 + ... + 149370.
It is an arithmetic number, because the mean of its divisors is an integer number (683611848).
Almost surely, 29108381090 is an apocalyptic number.
9108381090 is an abundant number, since it is smaller than the sum of its proper divisors (12767198046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9108381090 is a wasteful number, since it uses less digits than its factorization.
9108381090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214794.
The product of its (nonzero) digits is 15552, while the sum is 39.
The square root of 9108381090 is about 95437.8388795555. The cubic root of 9108381090 is about 2088.4002233905.
The spelling of 9108381090 in words is "nine billion, one hundred eight million, three hundred eighty-one thousand, ninety".
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