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102443312441 = 147536943897
BaseRepresentation
bin101111101101000011…
…0001110010100111001
3100210102110011110211002
41133122012032110321
53134300441444231
6115021203414345
710254432534251
oct1373206162471
9323373143732
10102443312441
113a49a640988
1217a300843b5
139877a81852
144d5b756961
1529e89b90cb
hex17da18e539

102443312441 has 4 divisors (see below), whose sum is σ = 102450271092. Its totient is φ = 102436353792.

The previous prime is 102443312429. The next prime is 102443312443. The reversal of 102443312441 is 144213344201.

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 57886435216 + 44556877225 = 240596^2 + 211085^2 .

It is a cyclic number.

It is not a de Polignac number, because 102443312441 - 210 = 102443311417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102443312443) 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, 3457196 + ... + 3486701.

It is an arithmetic number, because the mean of its divisors is an integer number (25612567773).

Almost surely, 2102443312441 is an apocalyptic number.

It is an amenable number.

102443312441 is a deficient number, since it is larger than the sum of its proper divisors (6958651).

102443312441 is an equidigital number, since it uses as much as digits as its factorization.

102443312441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958650.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 102443312441 its reverse (144213344201), we get a palindrome (246656656642).

The spelling of 102443312441 in words is "one hundred two billion, four hundred forty-three million, three hundred twelve thousand, four hundred forty-one".

Divisors: 1 14753 6943897 102443312441