Search a number
-
+
28431803230 = 255948189497
BaseRepresentation
bin11010011110101010…
…101110001101011110
32201101110110020211021
4122132222232031132
5431212020200410
621021132114354
72024365224415
oct323652561536
981343406737
1028431803230
1111070014646
1256159059ba
1328b151600c
14153a07247c
15b1610ceda
hex69eaae35e

28431803230 has 16 divisors (see below), whose sum is σ = 52044657840. Its totient is φ = 11179963072.

The previous prime is 28431803219. The next prime is 28431803251. The reversal of 28431803230 is 3230813482.

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, 24094159 + ... + 24095338.

It is an arithmetic number, because the mean of its divisors is an integer number (3252791115).

Almost surely, 228431803230 is an apocalyptic number.

28431803230 is a deficient number, since it is larger than the sum of its proper divisors (23612854610).

28431803230 is a wasteful number, since it uses less digits than its factorization.

28431803230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48189563.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 28431803230 in words is "twenty-eight billion, four hundred thirty-one million, eight hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 48189497 96378994 240947485 481894970 2843180323 5686360646 14215901615 28431803230