Search a number
-
+
220230009988 = 2279829689693
BaseRepresentation
bin1100110100011010111…
…0110100010010000100
3210001110012121200010121
43031012232310102010
512102012340304423
6245101113231324
721624335124652
oct3150656642204
9701405550117
10220230009988
118544311011a
1236822702544
13179c955a7a1
14a932b5bdd2
155ade4c645d
hex3346bb4484

220230009988 has 12 divisors (see below), whose sum is σ = 385407904140. Its totient is φ = 110113465952.

The previous prime is 220230009959. The next prime is 220230009991. The reversal of 220230009988 is 889900032022.

It can be written as a sum of positive squares in 2 ways, for example, as 102497303104 + 117732706884 = 320152^2 + 343122^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25531 + ... + 664162.

It is an arithmetic number, because the mean of its divisors is an integer number (32117325345).

Almost surely, 2220230009988 is an apocalyptic number.

It is an amenable number.

220230009988 is a deficient number, since it is larger than the sum of its proper divisors (165177894152).

220230009988 is a wasteful number, since it uses less digits than its factorization.

220230009988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769526 (or 769524 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 220230009988 in words is "two hundred twenty billion, two hundred thirty million, nine thousand, nine hundred eighty-eight".

Divisors: 1 2 4 79829 159658 319316 689693 1379386 2758772 55057502497 110115004994 220230009988