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20302323003 = 34972583979
BaseRepresentation
bin10010111010000111…
…001101110100111011
31221101220101212110000
4102322013031310323
5313034343314003
613154325124043
71316052620034
oct227207156473
957356355400
1020302323003
11867914a846
123b27259623
131bb7209ba1
14da8501a8b
157dc5881a3
hex4ba1cdd3b

20302323003 has 20 divisors (see below), whose sum is σ = 30640834840. Its totient is φ = 13395341952.

The previous prime is 20302322977. The next prime is 20302323007. The reversal of 20302323003 is 30032320302.

It is not a de Polignac number, because 20302323003 - 210 = 20302321979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302323007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1284133 + ... + 1299846.

It is an arithmetic number, because the mean of its divisors is an integer number (1532041742).

Almost surely, 220302323003 is an apocalyptic number.

20302323003 is a deficient number, since it is larger than the sum of its proper divisors (10338511837).

20302323003 is an equidigital number, since it uses as much as digits as its factorization.

20302323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584088 (or 2584079 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20302323003 its reverse (30032320302), we get a palindrome (50334643305).

The spelling of 20302323003 in words is "twenty billion, three hundred two million, three hundred twenty-three thousand, three".

Divisors: 1 3 9 27 81 97 291 873 2619 7857 2583979 7751937 23255811 69767433 209302299 250645963 751937889 2255813667 6767441001 20302323003