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20212303303 = 193299322463
BaseRepresentation
bin10010110100101111…
…110100010111000111
31221011122000101122001
4102310233310113013
5312343322201203
613141351450131
71313610512653
oct226457642707
957148011561
1020212303303
1186323556a5
123b01086947
131ba167bcaa
14d9a58ba63
157d470591d
hex4b4bf45c7

20212303303 has 8 divisors (see below), whose sum is σ = 21282624000. Its totient is φ = 19142634168.

The previous prime is 20212303271. The next prime is 20212303313. The reversal of 20212303303 is 30330321202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20212303303 - 25 = 20212303271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212303313) 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, 98551 + ... + 223912.

It is an arithmetic number, because the mean of its divisors is an integer number (2660328000).

Almost surely, 220212303303 is an apocalyptic number.

20212303303 is a deficient number, since it is larger than the sum of its proper divisors (1070320697).

20212303303 is a wasteful number, since it uses less digits than its factorization.

20212303303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325781.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20212303303 its reverse (30330321202), we get a palindrome (50542624505).

The spelling of 20212303303 in words is "twenty billion, two hundred twelve million, three hundred three thousand, three hundred three".

Divisors: 1 19 3299 62681 322463 6126797 1063805437 20212303303