Search a number
-
+
22120213201 = 50343976567
BaseRepresentation
bin10100100110011101…
…111010101011010001
32010002121002020222121
4110212131322223101
5330300233310301
614054544534241
71412105465332
oct244635725321
963077066877
1022120213201
119421313639
124354021381
132116a21c68
1410dbb14289
15896e773a1
hex52677aad1

22120213201 has 4 divisors (see below), whose sum is σ = 22164190272. Its totient is φ = 22076236132.

The previous prime is 22120213139. The next prime is 22120213207. The reversal of 22120213201 is 10231202122.

It is a happy number.

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 22120213201 - 223 = 22111824593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120213207) 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 3 ways as a sum of consecutive naturals, for example, 21987781 + ... + 21988786.

It is an arithmetic number, because the mean of its divisors is an integer number (5541047568).

Almost surely, 222120213201 is an apocalyptic number.

It is an amenable number.

22120213201 is a deficient number, since it is larger than the sum of its proper divisors (43977071).

22120213201 is an equidigital number, since it uses as much as digits as its factorization.

22120213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43977070.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22120213201 its reverse (10231202122), we get a palindrome (32351415323).

The spelling of 22120213201 in words is "twenty-two billion, one hundred twenty million, two hundred thirteen thousand, two hundred one".

Divisors: 1 503 43976567 22120213201