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20211313203 = 3215714303831
BaseRepresentation
bin10010110100101100…
…000010101000110011
31221011120011002110200
4102310230002220303
5312343044010303
613141314330243
71313566220244
oct226454025063
957146132420
1020211313203
118631839834
123b00889983
131ba13c3433
14d9a3b0ccb
157d45ac3a3
hex4b4b02a33

20211313203 has 12 divisors (see below), whose sum is σ = 29380070928. Its totient is φ = 13388384880.

The previous prime is 20211313201. The next prime is 20211313207. The reversal of 20211313203 is 30231311202.

It is not a de Polignac number, because 20211313203 - 21 = 20211313201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211313201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7150503 + ... + 7153328.

It is an arithmetic number, because the mean of its divisors is an integer number (2448339244).

Almost surely, 220211313203 is an apocalyptic number.

20211313203 is a deficient number, since it is larger than the sum of its proper divisors (9168757725).

20211313203 is a wasteful number, since it uses less digits than its factorization.

20211313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303994 (or 14303991 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20211313203 its reverse (30231311202), we get a palindrome (50442624405).

The spelling of 20211313203 in words is "twenty billion, two hundred eleven million, three hundred thirteen thousand, two hundred three".

Divisors: 1 3 9 157 471 1413 14303831 42911493 128734479 2245701467 6737104401 20211313203