Search a number
-
+
2182089813 = 3727363271
BaseRepresentation
bin1000001000010000…
…0000110001010101
312122001222122111020
42002010000301111
513432103333223
61000305431353
7105034312611
oct20204006125
95561878436
102182089813
11a1a807412
1250a93b559
1328a100507
14169b38341
15cb8801e3
hex82100c55

2182089813 has 4 divisors (see below), whose sum is σ = 2909453088. Its totient is φ = 1454726540.

The previous prime is 2182089797. The next prime is 2182089817. The reversal of 2182089813 is 3189802812.

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 2182089813 - 24 = 2182089797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182089817) 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, 363681633 + ... + 363681638.

It is an arithmetic number, because the mean of its divisors is an integer number (727363272).

Almost surely, 22182089813 is an apocalyptic number.

It is an amenable number.

2182089813 is a deficient number, since it is larger than the sum of its proper divisors (727363275).

2182089813 is an equidigital number, since it uses as much as digits as its factorization.

2182089813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727363274.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 2182089813 is about 46712.8441972869. The cubic root of 2182089813 is about 1297.0524566791.

The spelling of 2182089813 in words is "two billion, one hundred eighty-two million, eighty-nine thousand, eight hundred thirteen".

Divisors: 1 3 727363271 2182089813