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20302034303 = 53383057251
BaseRepresentation
bin10010111010000110…
…000111010101111111
31221101212212012102102
4102322012013111333
5313034310044203
613154315015315
71316050305245
oct227206072577
957355765372
1020302034303
118678a72951
123b2713a53b
131bb7138665
14da8468795
157dc52c888
hex4ba18757f

20302034303 has 4 divisors (see below), whose sum is σ = 20685091608. Its totient is φ = 19918977000.

The previous prime is 20302034293. The next prime is 20302034317. The reversal of 20302034303 is 30343020302.

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 20302034303 - 216 = 20301968767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302034393) 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, 191528573 + ... + 191528678.

It is an arithmetic number, because the mean of its divisors is an integer number (5171272902).

Almost surely, 220302034303 is an apocalyptic number.

20302034303 is a deficient number, since it is larger than the sum of its proper divisors (383057305).

20302034303 is an equidigital number, since it uses as much as digits as its factorization.

20302034303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383057304.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20302034303 its reverse (30343020302), we get a palindrome (50645054605).

The spelling of 20302034303 in words is "twenty billion, three hundred two million, thirty-four thousand, three hundred three".

Divisors: 1 53 383057251 20302034303