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20323033213 = 719152804761
BaseRepresentation
bin10010111011010110…
…001110000001111101
31221110100101001111211
4102323112032001331
5313110144030323
613200345044421
71316423634460
oct227326160175
957410331454
1020323033213
11868990571a
123b32186711
131bbb5ab652
14dab1732d7
157de2c970d
hex4bb58e07d

20323033213 has 8 divisors (see below), whose sum is σ = 24448761920. Its totient is φ = 16502914080.

The previous prime is 20323033207. The next prime is 20323033271. The reversal of 20323033213 is 31233032302.

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 20323033213 - 29 = 20323032701 is a prime.

It is a super-2 number, since 2×203230332132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323033273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76402248 + ... + 76402513.

It is an arithmetic number, because the mean of its divisors is an integer number (3056095240).

Almost surely, 220323033213 is an apocalyptic number.

It is an amenable number.

20323033213 is a deficient number, since it is larger than the sum of its proper divisors (4125728707).

20323033213 is a wasteful number, since it uses less digits than its factorization.

20323033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152804787.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20323033213 its reverse (31233032302), we get a palindrome (51556065515).

The spelling of 20323033213 in words is "twenty billion, three hundred twenty-three million, thirty-three thousand, two hundred thirteen".

Divisors: 1 7 19 133 152804761 1069633327 2903290459 20323033213