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20148424307 = 111831674937
BaseRepresentation
bin10010110000111100…
…001000111001110011
31221000011211000010022
4102300330020321303
5312230444034212
613131150354055
71312203531554
oct226074107163
957004730108
1020148424307
1185aa295440
123aa37bb92b
131b9137457b
14d91cc032b
157cdcd8772
hex4b0f08e73

20148424307 has 4 divisors (see below), whose sum is σ = 21980099256. Its totient is φ = 18316749360.

The previous prime is 20148424291. The next prime is 20148424321. The reversal of 20148424307 is 70342484102.

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

It is a cyclic number.

It is not a de Polignac number, because 20148424307 - 24 = 20148424291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20148424607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915837458 + ... + 915837479.

It is an arithmetic number, because the mean of its divisors is an integer number (5495024814).

Almost surely, 220148424307 is an apocalyptic number.

20148424307 is a deficient number, since it is larger than the sum of its proper divisors (1831674949).

20148424307 is a wasteful number, since it uses less digits than its factorization.

20148424307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831674948.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 20148424307 in words is "twenty billion, one hundred forty-eight million, four hundred twenty-four thousand, three hundred seven".

Divisors: 1 11 1831674937 20148424307