Search a number
-
+
8223890013 = 33304588519
BaseRepresentation
bin1111010100010111…
…01001101001011101
3210020010200220021000
413222023221221131
5113320303440023
63440014300513
7410536624503
oct75213515135
923203626230
108223890013
113540198319
1217161b7739
13a10a43311
14580308673
15331ec3243
hex1ea2e9a5d

8223890013 has 8 divisors (see below), whose sum is σ = 12183540800. Its totient is φ = 5482593324.

The previous prime is 8223890011. The next prime is 8223890021. The reversal of 8223890013 is 3100983228.

It is a happy number.

It is not a de Polignac number, because 8223890013 - 21 = 8223890011 is a prime.

It is a super-2 number, since 2×82238900132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8223890013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223890011) 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 7 ways as a sum of consecutive naturals, for example, 152294233 + ... + 152294286.

It is an arithmetic number, because the mean of its divisors is an integer number (1522942600).

Almost surely, 28223890013 is an apocalyptic number.

It is an amenable number.

8223890013 is a deficient number, since it is larger than the sum of its proper divisors (3959650787).

8223890013 is a wasteful number, since it uses less digits than its factorization.

8223890013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304588528 (or 304588522 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8223890013 is about 90685.6659731845. The cubic root of 8223890013 is about 2018.4861065678.

The spelling of 8223890013 in words is "eight billion, two hundred twenty-three million, eight hundred ninety thousand, thirteen".

Divisors: 1 3 9 27 304588519 913765557 2741296671 8223890013