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23130222211 = 53436419287
BaseRepresentation
bin10101100010101010…
…110010111010000011
32012200222121000212201
4111202222302322003
5334332314102321
614343104534031
71446121434115
oct254252627203
965628530781
1023130222211
11989a453328
124596321317
132248054b25
141195d093b5
15905984291
hex562ab2e83

23130222211 has 4 divisors (see below), whose sum is σ = 23566641552. Its totient is φ = 22693802872.

The previous prime is 23130222187. The next prime is 23130222221. The reversal of 23130222211 is 11222203132.

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 23130222211 - 219 = 23129697923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130222221) 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, 218209591 + ... + 218209696.

It is an arithmetic number, because the mean of its divisors is an integer number (5891660388).

Almost surely, 223130222211 is an apocalyptic number.

23130222211 is a deficient number, since it is larger than the sum of its proper divisors (436419341).

23130222211 is an equidigital number, since it uses as much as digits as its factorization.

23130222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436419340.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23130222211 its reverse (11222203132), we get a palindrome (34352425343).

The spelling of 23130222211 in words is "twenty-three billion, one hundred thirty million, two hundred twenty-two thousand, two hundred eleven".

Divisors: 1 53 436419287 23130222211