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2120312299 = 7769939343
BaseRepresentation
bin111111001100001…
…0110010111101011
312110202202000200011
41332120112113223
513320244443144
6550221352351
7103354233340
oct17630262753
95422660604
102120312299
11998952016
124b21086b7
1327a380481
141618567c7
15c622aa34
hex7e6165eb

2120312299 has 8 divisors (see below), whose sum is σ = 2423590400. Its totient is φ = 1817128296.

The previous prime is 2120312179. The next prime is 2120312303. The reversal of 2120312299 is 9922130212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120312299 - 217 = 2120181227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120312299.

It is not an unprimeable number, because it can be changed into a prime (2120312099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34222 + ... + 73564.

It is an arithmetic number, because the mean of its divisors is an integer number (302948800).

Almost surely, 22120312299 is an apocalyptic number.

2120312299 is a deficient number, since it is larger than the sum of its proper divisors (303278101).

2120312299 is an equidigital number, since it uses as much as digits as its factorization.

2120312299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47049.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2120312299 is about 46046.8489584249. The cubic root of 2120312299 is about 1284.6947346753.

The spelling of 2120312299 in words is "two billion, one hundred twenty million, three hundred twelve thousand, two hundred ninety-nine".

Divisors: 1 7 7699 39343 53893 275401 302901757 2120312299