Search a number
-
+
2981938946 = 27212995639
BaseRepresentation
bin1011000110111100…
…1100011100000010
321200211001012020012
42301233030130002
522101334021241
61211521144522
7133616030360
oct26157143402
97624035205
102981938946
1112a0254958
126b278b142
13386a2c81c
14204064630
15126bc76eb
hexb1bcc702

2981938946 has 8 divisors (see below), whose sum is σ = 5111895360. Its totient is φ = 1277973828.

The previous prime is 2981938919. The next prime is 2981938963. The reversal of 2981938946 is 6498391892.

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

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, 106497806 + ... + 106497833.

It is an arithmetic number, because the mean of its divisors is an integer number (638986920).

Almost surely, 22981938946 is an apocalyptic number.

2981938946 is a deficient number, since it is larger than the sum of its proper divisors (2129956414).

2981938946 is a wasteful number, since it uses less digits than its factorization.

2981938946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212995648.

The product of its digits is 6718464, while the sum is 59.

The square root of 2981938946 is about 54607.1327392311. The cubic root of 2981938946 is about 1439.3494595613.

The spelling of 2981938946 in words is "two billion, nine hundred eighty-one million, nine hundred thirty-eight thousand, nine hundred forty-six".

Divisors: 1 2 7 14 212995639 425991278 1490969473 2981938946