Search a number
-
+
2106344875 = 5316850759
BaseRepresentation
bin111110110001100…
…0100010110101011
312102210110101222011
41331203010112223
513303211014000
6545002140351
7103124431105
oct17543042653
95383411864
102106344875
11990a82098
124a94b16b7
132774ccb1b
1415da5c575
15c4dbc2ba
hex7d8c45ab

2106344875 has 8 divisors (see below), whose sum is σ = 2628718560. Its totient is φ = 1685075800.

The previous prime is 2106344873. The next prime is 2106344909. The reversal of 2106344875 is 5784436012.

It is not a de Polignac number, because 2106344875 - 21 = 2106344873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106344873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8425255 + ... + 8425504.

It is an arithmetic number, because the mean of its divisors is an integer number (328589820).

Almost surely, 22106344875 is an apocalyptic number.

2106344875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2106344875 is a deficient number, since it is larger than the sum of its proper divisors (522373685).

2106344875 is an equidigital number, since it uses as much as digits as its factorization.

2106344875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16850774 (or 16850764 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2106344875 is about 45894.9329991885. The cubic root of 2106344875 is about 1281.8675690267.

The spelling of 2106344875 in words is "two billion, one hundred six million, three hundred forty-four thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 16850759 84253795 421268975 2106344875