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221133033233023 = 2020961109419743
BaseRepresentation
bin110010010001111010001011…
…111001001101101001111111
31001222222010000022000102210211
4302101322023321031221333
5212441020423001424043
62102151040230013251
764402222465040662
oct6221721371155177
91058863008012724
10221133033233023
1164506aa137425a
12209750914a7227
1396509a8c61bc2
143c86c7856b6d9
151a8729e95aa9d
hexc91e8be4da7f

221133033233023 has 4 divisors (see below), whose sum is σ = 221133144673728. Its totient is φ = 221132921792320.

The previous prime is 221133033233011. The next prime is 221133033233051. The reversal of 221133033233023 is 320332330331122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221133033233023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133033273023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52688911 + ... + 56730832.

It is an arithmetic number, because the mean of its divisors is an integer number (55283286168432).

Almost surely, 2221133033233023 is an apocalyptic number.

221133033233023 is a deficient number, since it is larger than the sum of its proper divisors (111440705).

221133033233023 is a wasteful number, since it uses less digits than its factorization.

221133033233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111440704.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 221133033233023 its reverse (320332330331122), we get a palindrome (541465363564145).

The spelling of 221133033233023 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, thirty-three million, two hundred thirty-three thousand, twenty-three".

Divisors: 1 2020961 109419743 221133033233023