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20302103203 = 53397964883
BaseRepresentation
bin10010111010000110…
…011000001010100011
31221101212222200221021
4102322012120022203
5313034314300303
613154320310311
71316051013154
oct227206301243
957355880837
1020302103203
11867900a698
123b27172397
131bb7160b25
14da848592b
157dc542ebd
hex4ba1982a3

20302103203 has 8 divisors (see below), whose sum is σ = 20737286928. Its totient is φ = 19868850144.

The previous prime is 20302103147. The next prime is 20302103207. The reversal of 20302103203 is 30230120302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20302103203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302103207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461401 + ... + 503482.

It is an arithmetic number, because the mean of its divisors is an integer number (2592160866).

Almost surely, 220302103203 is an apocalyptic number.

20302103203 is a deficient number, since it is larger than the sum of its proper divisors (435183725).

20302103203 is an equidigital number, since it uses as much as digits as its factorization.

20302103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965333.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20302103203 its reverse (30230120302), we get a palindrome (50532223505).

The spelling of 20302103203 in words is "twenty billion, three hundred two million, one hundred three thousand, two hundred three".

Divisors: 1 53 397 21041 964883 51138799 383058551 20302103203