Search a number
-
+
9108381090 = 2351423213361
BaseRepresentation
bin10000111101110011…
…01101110110100010
3212111210000200220210
420132321231312202
5122123221143330
64103452114550
7441466650624
oct103671556642
925453020823
109108381090
113954497586
121922465a56
13b22069813
14625988c14
153849898b0
hex21ee6dda2

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".

Divisors: 1 2 3 5 6 10 15 30 1423 2846 4269 7115 8538 14230 21345 42690 213361 426722 640083 1066805 1280166 2133610 3200415 6400830 303612703 607225406 910838109 1518063515 1821676218 3036127030 4554190545 9108381090