Search a number
-
+
25428930474 = 2328314975813
BaseRepresentation
bin10111101011101011…
…101010111110101010
32102122012000111210210
4113223223222332222
5404034301233344
615403142121550
71560103225353
oct275353527652
972565014723
1025428930474
11a869a71922
124b181202b6
13252336702c
14133331cd2a
159dc69cdb9
hex5ebaeafaa

25428930474 has 16 divisors (see below), whose sum is σ = 51037574112. Its totient is φ = 8446357968.

The previous prime is 25428930469. The next prime is 25428930533. The reversal of 25428930474 is 47403982452.

It is an unprimeable number.

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, 7486209 + ... + 7489604.

It is an arithmetic number, because the mean of its divisors is an integer number (3189848382).

Almost surely, 225428930474 is an apocalyptic number.

25428930474 is an abundant number, since it is smaller than the sum of its proper divisors (25608643638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25428930474 is a wasteful number, since it uses less digits than its factorization.

25428930474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976101.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 25428930474 in words is "twenty-five billion, four hundred twenty-eight million, nine hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 283 566 849 1698 14975813 29951626 44927439 89854878 4238155079 8476310158 12714465237 25428930474