Search a number
-
+
47420118115600 = 2452118550295289
BaseRepresentation
bin10101100100000110110110…
…10010111010010100010000
320012220022121120020112002011
422302003123102322110100
522203412400214144400
6244504300155032304
712662663506264216
oct1262033322722420
9205808546215064
1047420118115600
111412283948882a
12539a40573b694
13205c90c523329
14b9d208744cb6
1557378d1128ba
hex2b20db4ba510

47420118115600 has 30 divisors (see below), whose sum is σ = 113926833773690. Its totient is φ = 18968047246080.

The previous prime is 47420118115549. The next prime is 47420118115609. The reversal of 47420118115600 is 651181102474.

It can be written as a sum of positive squares in 3 ways, for example, as 7142512812304 + 40277605303296 = 2672548^2 + 6346464^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (47420118115609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59275147245 + ... + 59275148044.

Almost surely, 247420118115600 is an apocalyptic number.

47420118115600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47420118115600 is an abundant number, since it is smaller than the sum of its proper divisors (66506715658090).

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

47420118115600 is a wasteful number, since it uses less digits than its factorization.

47420118115600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118550295307 (or 118550295296 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 47420118115600 in words is "forty-seven trillion, four hundred twenty billion, one hundred eighteen million, one hundred fifteen thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 118550295289 237100590578 474201181156 592751476445 948402362312 1185502952890 1896804724624 2371005905780 2963757382225 4742011811560 5927514764450 9484023623120 11855029528900 23710059057800 47420118115600