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20123332313 = 76911415969
BaseRepresentation
bin10010101111011100…
…011010111011011001
31220221102121012101012
4102233130122323121
5312203033113223
613124452503305
71311450334220
oct225734327331
956842535335
1020123332313
118597107457
123a9731ab35
131b890ca536
14d8c82bcb7
157cb9cdc78
hex4af71aed9

20123332313 has 8 divisors (see below), whose sum is σ = 23001477120. Its totient is φ = 17246033280.

The previous prime is 20123332309. The next prime is 20123332337. The reversal of 20123332313 is 31323332102.

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

It is not a de Polignac number, because 20123332313 - 22 = 20123332309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123332393) 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, 159608 + ... + 256361.

It is an arithmetic number, because the mean of its divisors is an integer number (2875184640).

Almost surely, 220123332313 is an apocalyptic number.

It is an amenable number.

20123332313 is a deficient number, since it is larger than the sum of its proper divisors (2878144807).

20123332313 is an equidigital number, since it uses as much as digits as its factorization.

20123332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422887.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20123332313 its reverse (31323332102), we get a palindrome (51446664415).

The spelling of 20123332313 in words is "twenty billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 7 6911 48377 415969 2911783 2874761759 20123332313