Base | Representation |
---|---|
bin | 1000010000001001… |
… | …0010101000000001 |
3 | 12201101021110122111 |
4 | 2010002102220001 |
5 | 14014042134324 |
6 | 1003451135321 |
7 | 105615554614 |
oct | 20402225001 |
9 | 5641243574 |
10 | 2215193089 |
11 | a3746739a |
12 | 519a44541 |
13 | 293c20b55 |
14 | 1702b417b |
15 | ce71d794 |
hex | 84092a01 |
2215193089 has 4 divisors (see below), whose sum is σ = 2311505856. Its totient is φ = 2118880324.
The previous prime is 2215193081. The next prime is 2215193093. The reversal of 2215193089 is 9803915122.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2215193089 - 23 = 2215193081 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2215193081) 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, 48156349 + ... + 48156394.
It is an arithmetic number, because the mean of its divisors is an integer number (577876464).
Almost surely, 22215193089 is an apocalyptic number.
It is an amenable number.
2215193089 is a deficient number, since it is larger than the sum of its proper divisors (96312767).
2215193089 is an equidigital number, since it uses as much as digits as its factorization.
2215193089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96312766.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 2215193089 is about 47065.8378125791. The cubic root of 2215193089 is about 1303.5785208107.
The spelling of 2215193089 in words is "two billion, two hundred fifteen million, one hundred ninety-three thousand, eighty-nine".
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