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23111360641 = 231004841767
BaseRepresentation
bin10101100001100010…
…110110000010000001
32012122200002202200001
4111201202312002001
5334313002020031
614341152400001
71445502216115
oct254142660201
965580082601
1023111360641
11988a840356
12458bb46001
13224417c935
1411935d9745
15903eaa861
hex5618b6081

23111360641 has 4 divisors (see below), whose sum is σ = 24116202432. Its totient is φ = 22106518852.

The previous prime is 23111360639. The next prime is 23111360689. The reversal of 23111360641 is 14606311132.

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 23111360641 - 21 = 23111360639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111369641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502420861 + ... + 502420906.

It is an arithmetic number, because the mean of its divisors is an integer number (6029050608).

Almost surely, 223111360641 is an apocalyptic number.

It is an amenable number.

23111360641 is a deficient number, since it is larger than the sum of its proper divisors (1004841791).

23111360641 is a wasteful number, since it uses less digits than its factorization.

23111360641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004841790.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 23111360641 its reverse (14606311132), we get a palindrome (37717671773).

The spelling of 23111360641 in words is "twenty-three billion, one hundred eleven million, three hundred sixty thousand, six hundred forty-one".

Divisors: 1 23 1004841767 23111360641