Search a number
-
+
2112770973 = 3811868381
BaseRepresentation
bin111110111101110…
…0101001110011101
312110020112212220210
41331323211032131
513311332132343
6545352003033
7103233154065
oct17573451635
95406485823
102112770973
11994671115
124ab690479
1327893ca51
141608523a5
15c573b333
hex7dee539d

2112770973 has 8 divisors (see below), whose sum is σ = 2820504736. Its totient is φ = 1406775600.

The previous prime is 2112770909. The next prime is 2112770981. The reversal of 2112770973 is 3790772112.

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

It is not a de Polignac number, because 2112770973 - 26 = 2112770909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112770173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431758 + ... + 436623.

It is an arithmetic number, because the mean of its divisors is an integer number (352563092).

Almost surely, 22112770973 is an apocalyptic number.

It is an amenable number.

2112770973 is a deficient number, since it is larger than the sum of its proper divisors (707733763).

2112770973 is an equidigital number, since it uses as much as digits as its factorization.

2112770973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869195.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 2112770973 is about 45964.8884802302. Note that the first 3 decimals coincide. The cubic root of 2112770973 is about 1283.1698318416.

The spelling of 2112770973 in words is "two billion, one hundred twelve million, seven hundred seventy thousand, nine hundred seventy-three".

Divisors: 1 3 811 2433 868381 2605143 704256991 2112770973