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23205235441 = 59938739959
BaseRepresentation
bin10101100111001000…
…111100101011110001
32012220012202002200111
4111213020330223301
5340011020013231
614354344421321
71451022150433
oct254710745361
965805662614
1023205235441
119928828933
1245b7477841
13225a75a45b
1411a1c74653
1590c3504b1
hex56723caf1

23205235441 has 4 divisors (see below), whose sum is σ = 23243976000. Its totient is φ = 23166494884.

The previous prime is 23205235423. The next prime is 23205235519. The reversal of 23205235441 is 14453250232.

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 23205235441 - 225 = 23171681009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23205235241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19369381 + ... + 19370578.

It is an arithmetic number, because the mean of its divisors is an integer number (5810994000).

Almost surely, 223205235441 is an apocalyptic number.

It is an amenable number.

23205235441 is a deficient number, since it is larger than the sum of its proper divisors (38740559).

23205235441 is an equidigital number, since it uses as much as digits as its factorization.

23205235441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740558.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 23205235441 its reverse (14453250232), we get a palindrome (37658485673).

The spelling of 23205235441 in words is "twenty-three billion, two hundred five million, two hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 599 38739959 23205235441