Search a number
-
+
2678198832 = 243218598603
BaseRepresentation
bin1001111110100010…
…0001001000110000
320220122111121010100
42133220201020300
520441104330312
61121431032400
7123240212601
oct23750411060
96818447110
102678198832
111154856471
12628b0b700
13338b2254a
141b5999da8
1510a1ca5dc
hex9fa21230

2678198832 has 30 divisors (see below), whose sum is σ = 7495237412. Its totient is φ = 892732896.

The previous prime is 2678198759. The next prime is 2678198833. The reversal of 2678198832 is 2388918762.

It is a happy number.

It is a super-3 number, since 3×26781988323 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2678198833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9299158 + ... + 9299445.

Almost surely, 22678198832 is an apocalyptic number.

It is an amenable number.

2678198832 is an abundant number, since it is smaller than the sum of its proper divisors (4817038580).

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

2678198832 is a wasteful number, since it uses less digits than its factorization.

2678198832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598617 (or 18598608 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2678198832 is about 51751.3172006279. The cubic root of 2678198832 is about 1388.7186632331.

The spelling of 2678198832 in words is "two billion, six hundred seventy-eight million, one hundred ninety-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 18598603 37197206 55795809 74394412 111591618 148788824 167387427 223183236 297577648 334774854 446366472 669549708 892732944 1339099416 2678198832