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20303230003 = 717316765673
BaseRepresentation
bin10010111010001010…
…101011010000110011
31221101222002221121121
4102322022223100303
5313040111330003
613154400403111
71316063415250
oct227212532063
957358087547
1020303230003
11867970a231
123b27616497
131bb7466984
14da869a427
157dc6b6cbd
hex4ba2ab433

20303230003 has 8 divisors (see below), whose sum is σ = 23337818208. Its totient is φ = 17302173504.

The previous prime is 20303229917. The next prime is 20303230069. The reversal of 20303230003 is 30003230302.

It is a happy number.

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

It is not a de Polignac number, because 20303230003 - 217 = 20303098931 is a prime.

It is a super-2 number, since 2×203032300032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303230603) 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 7 ways as a sum of consecutive naturals, for example, 8381626 + ... + 8384047.

It is an arithmetic number, because the mean of its divisors is an integer number (2917227276).

Almost surely, 220303230003 is an apocalyptic number.

20303230003 is a deficient number, since it is larger than the sum of its proper divisors (3034588205).

20303230003 is a wasteful number, since it uses less digits than its factorization.

20303230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16765853.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20303230003 its reverse (30003230302), we get a palindrome (50306460305).

The spelling of 20303230003 in words is "twenty billion, three hundred three million, two hundred thirty thousand, three".

Divisors: 1 7 173 1211 16765673 117359711 2900461429 20303230003