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23210312011 = 194129795009
BaseRepresentation
bin10101100111011100…
…010100000101001011
32012220120022000102121
4111213130110011023
5340013314441021
614355045312111
71451113253065
oct254734240513
965816260377
1023210312011
119930685a47
1245b9105637
13225b817043
1411a27d6735
1590ca04741
hex56771414b

23210312011 has 8 divisors (see below), whose sum is σ = 25027808400. Its totient is φ = 21452405760.

The previous prime is 23210311997. The next prime is 23210312017. The reversal of 23210312011 is 11021301232.

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

It is a cyclic number.

It is not a de Polignac number, because 23210312011 - 29 = 23210311499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210312017) 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, 14896726 + ... + 14898283.

It is an arithmetic number, because the mean of its divisors is an integer number (3128476050).

Almost surely, 223210312011 is an apocalyptic number.

23210312011 is a deficient number, since it is larger than the sum of its proper divisors (1817496389).

23210312011 is a wasteful number, since it uses less digits than its factorization.

23210312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29795069.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23210312011 its reverse (11021301232), we get a palindrome (34231613243).

The spelling of 23210312011 in words is "twenty-three billion, two hundred ten million, three hundred twelve thousand, eleven".

Divisors: 1 19 41 779 29795009 566105171 1221595369 23210312011