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20650160533 = 152313558871
BaseRepresentation
bin10011001110110110…
…000111000110010101
31222022010220211211111
4103032312013012111
5314242420114113
613253032335021
71330505316442
oct231666070625
958263824744
1020650160533
118837528282
124003844471
131c412b6a02
14ddc7a89c9
1580cd9613d
hex4ced87195

20650160533 has 4 divisors (see below), whose sum is σ = 20663720928. Its totient is φ = 20636600140.

The previous prime is 20650160527. The next prime is 20650160537. The reversal of 20650160533 is 33506105602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20650160533 - 217 = 20650029461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20650160495 and 20650160504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20650160537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777913 + ... + 6780958.

It is an arithmetic number, because the mean of its divisors is an integer number (5165930232).

Almost surely, 220650160533 is an apocalyptic number.

It is an amenable number.

20650160533 is a deficient number, since it is larger than the sum of its proper divisors (13560395).

20650160533 is a wasteful number, since it uses less digits than its factorization.

20650160533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560394.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 20650160533 in words is "twenty billion, six hundred fifty million, one hundred sixty thousand, five hundred thirty-three".

Divisors: 1 1523 13558871 20650160533