Search a number
-
+
20576635694 = 2191021530353
BaseRepresentation
bin10011001010011101…
…101000101100101110
31222010000120101201022
4103022131220230232
5314120104320234
613241444414142
71325623342346
oct231235505456
958100511638
1020576635694
1187a9a79a4a
123ba30a7352
131c2bcb29a4
14dd2b09d26
158066c0e2e
hex4ca768b2e

20576635694 has 16 divisors (see below), whose sum is σ = 32521307280. Its totient is φ = 9737262720.

The previous prime is 20576635687. The next prime is 20576635711. The reversal of 20576635694 is 49653667502.

20576635694 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226379 + ... + 303974.

It is an arithmetic number, because the mean of its divisors is an integer number (2032581705).

Almost surely, 220576635694 is an apocalyptic number.

20576635694 is a deficient number, since it is larger than the sum of its proper divisors (11944671586).

20576635694 is a wasteful number, since it uses less digits than its factorization.

20576635694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531395.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 20576635694 in words is "twenty billion, five hundred seventy-six million, six hundred thirty-five thousand, six hundred ninety-four".

Divisors: 1 2 19 38 1021 2042 19399 38798 530353 1060706 10076707 20153414 541490413 1082980826 10288317847 20576635694