Search a number
-
+
8213089382 = 24106544691
BaseRepresentation
bin1111010011000100…
…11100110001100110
3210012101101011120122
413221202130301212
5113310022330012
63434551001542
7410346052001
oct75142346146
923171334518
108213089382
113535090683
1217126692b2
13a0b731204
1457cad6538
1533108ce72
hex1e989cc66

8213089382 has 4 divisors (see below), whose sum is σ = 12319634076. Its totient is φ = 4106544690.

The previous prime is 8213089303. The next prime is 8213089387. The reversal of 8213089382 is 2839803128.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×82130893822 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213089387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2053272344 + ... + 2053272347.

It is an arithmetic number, because the mean of its divisors is an integer number (3079908519).

Almost surely, 28213089382 is an apocalyptic number.

8213089382 is a deficient number, since it is larger than the sum of its proper divisors (4106544694).

8213089382 is a wasteful number, since it uses less digits than its factorization.

8213089382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106544693.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 8213089382 is about 90626.0965837104. The cubic root of 8213089382 is about 2017.6020774590.

The spelling of 8213089382 in words is "eight billion, two hundred thirteen million, eighty-nine thousand, three hundred eighty-two".

Divisors: 1 2 4106544691 8213089382