Search a number
-
+
2127202689 = 31098597573
BaseRepresentation
bin111111011001010…
…1000100110000001
312111020201002111210
41332302220212001
513324030441224
6551025200333
7103466632053
oct17662504601
95436632453
102127202689
119a1828957
124b44900a9
1327b923821
1416272b8d3
15c6b3c429
hex7eca8981

2127202689 has 16 divisors (see below), whose sum is σ = 2866001600. Its totient is φ = 1403303616.

The previous prime is 2127202687. The next prime is 2127202691. The reversal of 2127202689 is 9862027212.

It is an interprime number because it is at equal distance from previous prime (2127202687) and next prime (2127202691).

It is not a de Polignac number, because 2127202689 - 21 = 2127202687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2127202687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277107 + ... + 284679.

It is an arithmetic number, because the mean of its divisors is an integer number (179125100).

Almost surely, 22127202689 is an apocalyptic number.

It is an amenable number.

2127202689 is a deficient number, since it is larger than the sum of its proper divisors (738798911).

2127202689 is a wasteful number, since it uses less digits than its factorization.

2127202689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2127202689 is about 46121.6076150864. The cubic root of 2127202689 is about 1286.0848563385.

The spelling of 2127202689 in words is "two billion, one hundred twenty-seven million, two hundred two thousand, six hundred eighty-nine".

Divisors: 1 3 109 327 859 2577 7573 22719 93631 280893 825457 2476371 6505207 19515621 709067563 2127202689