Search a number
-
+
23210113312013 = 29810013988069
BaseRepresentation
bin1010100011100000001101…
…00011110010010100001101
310001011212100200222221120212
411101300012203302110031
511020233303001441023
6121210325011052205
74613606146662455
oct521600643622415
9101155320887525
1023210113312013
117439398972a11
12272a337ba1065
13cc4920444ca4
145a3538452d65
152a3b35840e78
hex151c068f250d

23210113312013 has 8 divisors (see below), whose sum is σ = 24010515989400. Its totient is φ = 22409714230848.

The previous prime is 23210113312007. The next prime is 23210113312117. The reversal of 23210113312013 is 31021331101232.

It can be written as a sum of positive squares in 4 ways, for example, as 138489668164 + 23071623643849 = 372142^2 + 4803293^2 .

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 23210113312013 - 24 = 23210113311997 is a prime.

It is a super-2 number, since 2×232101133120132 (a number of 28 digits) contains 22 as substring.

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 23210113312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210113312213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22996343 + ... + 23984411.

It is an arithmetic number, because the mean of its divisors is an integer number (3001314498675).

Almost surely, 223210113312013 is an apocalyptic number.

It is an amenable number.

23210113312013 is a deficient number, since it is larger than the sum of its proper divisors (800402677387).

23210113312013 is an equidigital number, since it uses as much as digits as its factorization.

23210113312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798111.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23210113312013 its reverse (31021331101232), we get a palindrome (54231444413245).

The spelling of 23210113312013 in words is "twenty-three trillion, two hundred ten billion, one hundred thirteen million, three hundred twelve thousand, thirteen".

Divisors: 1 29 810013 988069 23490377 28654001 800348734897 23210113312013