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22120012311 = 316345235199
BaseRepresentation
bin10100100110011101…
…001001101000010111
32010002120201001102020
4110212131021220113
5330300210343221
614054540344223
71412104000545
oct244635115027
963076631366
1022120012311
119421196711
124353b45073
1321169816a7
1410dbaa0d95
15896e37ac6
hex526749a17

22120012311 has 8 divisors (see below), whose sum is σ = 29674291200. Its totient is φ = 14656204152.

The previous prime is 22120012261. The next prime is 22120012331. The reversal of 22120012311 is 11321002122.

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

It is not a de Polignac number, because 22120012311 - 29 = 22120011799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120012331) 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 7 ways as a sum of consecutive naturals, for example, 22617111 + ... + 22618088.

It is an arithmetic number, because the mean of its divisors is an integer number (3709286400).

Almost surely, 222120012311 is an apocalyptic number.

22120012311 is a deficient number, since it is larger than the sum of its proper divisors (7554278889).

22120012311 is a wasteful number, since it uses less digits than its factorization.

22120012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45235365.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22120012311 its reverse (11321002122), we get a palindrome (33441014433).

The spelling of 22120012311 in words is "twenty-two billion, one hundred twenty million, twelve thousand, three hundred eleven".

Divisors: 1 3 163 489 45235199 135705597 7373337437 22120012311