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20132310203 = 25217985843
BaseRepresentation
bin10010101111111110…
…101010110010111011
31220222001111022201122
4102233332222302323
5312212332411303
613125413135455
71311616545635
oct225776526273
956861438648
1020132310203
1185a11896a5
123a9a32a58b
131b8ac21ab5
14d8dac7a55
157cc6a3e38
hex4affaacbb

20132310203 has 4 divisors (see below), whose sum is σ = 20140298568. Its totient is φ = 20124321840.

The previous prime is 20132310193. The next prime is 20132310217. The reversal of 20132310203 is 30201323102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20132310203 - 28 = 20132309947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132310293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990401 + ... + 3995442.

It is an arithmetic number, because the mean of its divisors is an integer number (5035074642).

Almost surely, 220132310203 is an apocalyptic number.

20132310203 is a deficient number, since it is larger than the sum of its proper divisors (7988365).

20132310203 is an equidigital number, since it uses as much as digits as its factorization.

20132310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988364.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20132310203 its reverse (30201323102), we get a palindrome (50333633305).

The spelling of 20132310203 in words is "twenty billion, one hundred thirty-two million, three hundred ten thousand, two hundred three".

Divisors: 1 2521 7985843 20132310203