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20333313133 = 722431295033
BaseRepresentation
bin10010111011111101…
…011011110001101101
31221111001201022220121
4102323331123301231
5313120312010013
613201353244541
71316610211210
oct227375336155
957431638817
1020333313133
118694697121
123b35703751
131bc076a743
14dac68b777
157e015a58d
hex4bbf5bc6d

20333313133 has 8 divisors (see below), whose sum is σ = 23248450368. Its totient is φ = 17420770464.

The previous prime is 20333313107. The next prime is 20333313179. The reversal of 20333313133 is 33131333302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20333313133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20333313098 and 20333313107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333317133) 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 7 ways as a sum of consecutive naturals, for example, 631816 + ... + 663217.

It is an arithmetic number, because the mean of its divisors is an integer number (2906056296).

Almost surely, 220333313133 is an apocalyptic number.

It is an amenable number.

20333313133 is a deficient number, since it is larger than the sum of its proper divisors (2915137235).

20333313133 is a wasteful number, since it uses less digits than its factorization.

20333313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297283.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 20333313133 its reverse (33131333302), we get a palindrome (53464646435).

The spelling of 20333313133 in words is "twenty billion, three hundred thirty-three million, three hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 7 2243 15701 1295033 9065231 2904759019 20333313133