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20341746353 = 107190109779
BaseRepresentation
bin10010111100011101…
…100110101010110001
31221111122120210010002
4102330131212222301
5313124441340403
613202254115345
71320041663645
oct227435465261
957448523102
1020341746353
118699427125
123b384abb55
131bc2431106
14dad844c25
157e0c74188
hex4bc766ab1

20341746353 has 4 divisors (see below), whose sum is σ = 20531856240. Its totient is φ = 20151636468.

The previous prime is 20341746343. The next prime is 20341746379. The reversal of 20341746353 is 35364714302.

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 20341746353 - 28 = 20341746097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341746343) 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, 95054783 + ... + 95054996.

It is an arithmetic number, because the mean of its divisors is an integer number (5132964060).

Almost surely, 220341746353 is an apocalyptic number.

It is an amenable number.

20341746353 is a deficient number, since it is larger than the sum of its proper divisors (190109887).

20341746353 is a wasteful number, since it uses less digits than its factorization.

20341746353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190109886.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 20341746353 in words is "twenty billion, three hundred forty-one million, seven hundred forty-six thousand, three hundred fifty-three".

Divisors: 1 107 190109779 20341746353