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22400232011 = 53422645887
BaseRepresentation
bin10100110111001010…
…000110101001001011
32010211002222200120122
4110313022012221023
5331333424411021
614142430413455
71422045554603
oct246712065113
963732880518
1022400232011
11955538a943
12441196128b
13215ca45071
141126da5c03
158b183abab
hex537286a4b

22400232011 has 4 divisors (see below), whose sum is σ = 22822877952. Its totient is φ = 21977586072.

The previous prime is 22400231977. The next prime is 22400232017. The reversal of 22400232011 is 11023200422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22400232011 - 210 = 22400230987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400232017) by changing a digit.

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, 211322891 + ... + 211322996.

It is an arithmetic number, because the mean of its divisors is an integer number (5705719488).

Almost surely, 222400232011 is an apocalyptic number.

22400232011 is a deficient number, since it is larger than the sum of its proper divisors (422645941).

22400232011 is an equidigital number, since it uses as much as digits as its factorization.

22400232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422645940.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22400232011 its reverse (11023200422), we get a palindrome (33423432433).

The spelling of 22400232011 in words is "twenty-two billion, four hundred million, two hundred thirty-two thousand, eleven".

Divisors: 1 53 422645887 22400232011