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23331200201 = 89292612969
BaseRepresentation
bin10101101110101001…
…011101110011001001
32020012222202202211222
4111232221131303021
5340240241401301
614415044331425
71454111633561
oct255651356311
966188682758
1023331200201
119992944041
1246316a3b75
13227a89230a
1411b48a3da1
1591843331b
hex56ea5dcc9

23331200201 has 4 divisors (see below), whose sum is σ = 23333822100. Its totient is φ = 23328578304.

The previous prime is 23331200171. The next prime is 23331200219. The reversal of 23331200201 is 10200213332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 800890000 + 22530310201 = 28300^2 + 150101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23331200201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23331200201.

It is not an unprimeable number, because it can be changed into a prime (23331200251) 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, 1297556 + ... + 1315413.

It is an arithmetic number, because the mean of its divisors is an integer number (5833455525).

Almost surely, 223331200201 is an apocalyptic number.

It is an amenable number.

23331200201 is a deficient number, since it is larger than the sum of its proper divisors (2621899).

23331200201 is an equidigital number, since it uses as much as digits as its factorization.

23331200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621898.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23331200201 its reverse (10200213332), we get a palindrome (33531413533).

The spelling of 23331200201 in words is "twenty-three billion, three hundred thirty-one million, two hundred thousand, two hundred one".

Divisors: 1 8929 2612969 23331200201