Search a number
-
+
22209728986 = 258511897943
BaseRepresentation
bin10100101011110011…
…011001000111011010
32010022211112010120001
4110223303121013122
5330441142311421
614111503323214
71414243403314
oct245363310732
963284463501
1022209728986
1194678a4125
124379bb050a
13212c434693
1411099767b4
1589ec5a691
hex52bcd91da

22209728986 has 8 divisors (see below), whose sum is σ = 33320304864. Its totient is φ = 11102960700.

The previous prime is 22209728971. The next prime is 22209729019. The reversal of 22209728986 is 68982790222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 937270 + ... + 960673.

It is an arithmetic number, because the mean of its divisors is an integer number (4165038108).

Almost surely, 222209728986 is an apocalyptic number.

22209728986 is a deficient number, since it is larger than the sum of its proper divisors (11110575878).

22209728986 is a wasteful number, since it uses less digits than its factorization.

22209728986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903796.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 22209728986 in words is "twenty-two billion, two hundred nine million, seven hundred twenty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 5851 11702 1897943 3795886 11104864493 22209728986