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23211142201 = 131785472477
BaseRepresentation
bin10101100111011111…
…011110110000111001
32012220121212012020101
4111213133132300321
5340014023022301
614355115155401
71451123311342
oct254737366071
965817765211
1023211142201
1199310a2755
1245b9445b61
13225ba47b90
1411a29710c9
1590cb1a701
hex5677dec39

23211142201 has 4 divisors (see below), whose sum is σ = 24996614692. Its totient is φ = 21425669712.

The previous prime is 23211142181. The next prime is 23211142211. The reversal of 23211142201 is 10224111232.

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 9058470976 + 14152671225 = 95176^2 + 118965^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211142201 - 25 = 23211142169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211142211) 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, 892736226 + ... + 892736251.

It is an arithmetic number, because the mean of its divisors is an integer number (6249153673).

Almost surely, 223211142201 is an apocalyptic number.

It is an amenable number.

23211142201 is a deficient number, since it is larger than the sum of its proper divisors (1785472491).

23211142201 is a wasteful number, since it uses less digits than its factorization.

23211142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785472490.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23211142201 its reverse (10224111232), we get a palindrome (33435253433).

The spelling of 23211142201 in words is "twenty-three billion, two hundred eleven million, one hundred forty-two thousand, two hundred one".

Divisors: 1 13 1785472477 23211142201