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22112210143 = 23961400441
BaseRepresentation
bin10100100101111111…
…011000110011011111
32010002001000122212001
4110211333120303133
5330241211211033
614054101223131
71411650453652
oct244577306337
963061018761
1022112210143
119417847841
124351401aa7
13211517c31a
1410daa2d899
158963e5e7d
hex525fd8cdf

22112210143 has 4 divisors (see below), whose sum is σ = 23073610608. Its totient is φ = 21150809680.

The previous prime is 22112210119. The next prime is 22112210161. The reversal of 22112210143 is 34101221122.

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 22112210143 - 229 = 21575339231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112210143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112210543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480700198 + ... + 480700243.

It is an arithmetic number, because the mean of its divisors is an integer number (5768402652).

Almost surely, 222112210143 is an apocalyptic number.

22112210143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22112210143 is a deficient number, since it is larger than the sum of its proper divisors (961400465).

22112210143 is an equidigital number, since it uses as much as digits as its factorization.

22112210143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961400464.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22112210143 its reverse (34101221122), we get a palindrome (56213431265).

The spelling of 22112210143 in words is "twenty-two billion, one hundred twelve million, two hundred ten thousand, one hundred forty-three".

Divisors: 1 23 961400441 22112210143