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23301311102221 = 47495772576643
BaseRepresentation
bin1010100110001010000100…
…10111101111110100001101
310001111120202102201200222111
411103011002113233310031
511023232041120232341
6121320250300144021
74623315132261655
oct523050227576415
9101446672650874
1023301311102221
117474037720569
122743b49b38011
1310003c5466969
145a7b0a467365
152a61c1e1d681
hex1531425efd0d

23301311102221 has 4 divisors (see below), whose sum is σ = 23797083678912. Its totient is φ = 22805538525532.

The previous prime is 23301311102213. The next prime is 23301311102291. The reversal of 23301311102221 is 12220111310332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23301311102221 - 23 = 23301311102213 is a prime.

It is a super-2 number, since 2×233013111022212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23301311102192 and 23301311102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301311102291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247886288275 + ... + 247886288368.

It is an arithmetic number, because the mean of its divisors is an integer number (5949270919728).

Almost surely, 223301311102221 is an apocalyptic number.

It is an amenable number.

23301311102221 is a deficient number, since it is larger than the sum of its proper divisors (495772576691).

23301311102221 is an equidigital number, since it uses as much as digits as its factorization.

23301311102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495772576690.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23301311102221 its reverse (12220111310332), we get a palindrome (35521422412553).

The spelling of 23301311102221 in words is "twenty-three trillion, three hundred one billion, three hundred eleven million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 47 495772576643 23301311102221