Search a number
-
+
20541530626 = 227137899503
BaseRepresentation
bin10011001000010111…
…101110001000000010
31222000120111212121121
4103020113232020002
5314032112440001
613234152142454
71325016062251
oct231027561002
958016455547
1020541530626
118791181aa1
123b93397a2a
131c24941166
14dcc1ac798
158035896a1
hex4c85ee202

20541530626 has 8 divisors (see below), whose sum is σ = 30925995264. Its totient is φ = 10232865540.

The previous prime is 20541530579. The next prime is 20541530701. The reversal of 20541530626 is 62603514502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20541530591 and 20541530600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18949210 + ... + 18950293.

It is an arithmetic number, because the mean of its divisors is an integer number (3865749408).

Almost surely, 220541530626 is an apocalyptic number.

20541530626 is a deficient number, since it is larger than the sum of its proper divisors (10384464638).

20541530626 is a wasteful number, since it uses less digits than its factorization.

20541530626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37899776.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20541530626 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, six hundred twenty-six".

Divisors: 1 2 271 542 37899503 75799006 10270765313 20541530626