Search a number
-
+
22031030011 = 151145900861
BaseRepresentation
bin10100100001001001…
…101101011011111011
32002212101021021122111
4110201021231123323
5330104420430021
614042041233151
71406643444124
oct244111553373
962771237574
1022031030011
119385a3aa21
12432a1927b7
1321013c7a43
1410cdd3b04b
1588e20c8e1
hex52126d6fb

22031030011 has 4 divisors (see below), whose sum is σ = 22176931024. Its totient is φ = 21885129000.

The previous prime is 22031030009. The next prime is 22031030023. The reversal of 22031030011 is 11003013022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11003013022 = 25501506511.

It is a cyclic number.

It is not a de Polignac number, because 22031030011 - 21 = 22031030009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22031029973 and 22031030000.

It is not an unprimeable number, because it can be changed into a prime (22031037011) 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, 72950280 + ... + 72950581.

It is an arithmetic number, because the mean of its divisors is an integer number (5544232756).

Almost surely, 222031030011 is an apocalyptic number.

22031030011 is a deficient number, since it is larger than the sum of its proper divisors (145901013).

22031030011 is a wasteful number, since it uses less digits than its factorization.

22031030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145901012.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 22031030011 its reverse (11003013022), we get a palindrome (33034043033).

The spelling of 22031030011 in words is "twenty-two billion, thirty-one million, thirty thousand, eleven".

Divisors: 1 151 145900861 22031030011