Base | Representation |
---|---|
bin | 1000000011111110… |
… | …0101000001110101 |
3 | 12120211020020020010 |
4 | 2000333211001311 |
5 | 13413010303024 |
6 | 554425130433 |
7 | 104425655232 |
oct | 20077450165 |
9 | 5524206203 |
10 | 2164150389 |
11 | a10674245 |
12 | 504929a19 |
13 | 28648bc7b |
14 | 1675c8789 |
15 | c9ed9b29 |
hex | 80fe5075 |
2164150389 has 4 divisors (see below), whose sum is σ = 2885533856. Its totient is φ = 1442766924.
The previous prime is 2164150319. The next prime is 2164150399. The reversal of 2164150389 is 9830514612.
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 not a de Polignac number, because 2164150389 - 29 = 2164149877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2164150319) 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, 360691729 + ... + 360691734.
It is an arithmetic number, because the mean of its divisors is an integer number (721383464).
Almost surely, 22164150389 is an apocalyptic number.
It is an amenable number.
2164150389 is a deficient number, since it is larger than the sum of its proper divisors (721383467).
2164150389 is an equidigital number, since it uses as much as digits as its factorization.
2164150389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721383466.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 2164150389 is about 46520.4298023997. The cubic root of 2164150389 is about 1293.4882233737.
The spelling of 2164150389 in words is "two billion, one hundred sixty-four million, one hundred fifty thousand, three hundred eighty-nine".
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