Search a number
-
+
28957353848 = 2316493219467
BaseRepresentation
bin11010111101111111…
…100010011101111000
32202202002100222201222
4122331333202131320
5433301040310343
621145224331212
72043406306103
oct327577423570
982662328658
1028957353848
111130a7425a5
125741913b08
132966375b07
141589b9973a
15b47321a68
hex6bdfe2778

28957353848 has 16 divisors (see below), whose sum is σ = 54298577880. Its totient is φ = 14477733088.

The previous prime is 28957353829. The next prime is 28957353853. The reversal of 28957353848 is 84835375982.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22211 + ... + 241677.

Almost surely, 228957353848 is an apocalyptic number.

It is an amenable number.

28957353848 is a deficient number, since it is larger than the sum of its proper divisors (25341224032).

28957353848 is a wasteful number, since it uses less digits than its factorization.

28957353848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235966 (or 235962 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 62.

The spelling of 28957353848 in words is "twenty-eight billion, nine hundred fifty-seven million, three hundred fifty-three thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16493 32986 65972 131944 219467 438934 877868 1755736 3619669231 7239338462 14478676924 28957353848