Search a number
-
+
2199874897 = 111371459771
BaseRepresentation
bin1000001100011111…
…0110110101010001
312200022110020001001
42003013312311101
514001131444042
61002142542001
7105341425303
oct20307666521
95608406031
102199874897
11a29854630
12514897901
132909b972c
1416c247973
15cd1e4bb7
hex831f6d51

2199874897 has 8 divisors (see below), whose sum is σ = 2417382432. Its totient is φ = 1985287200.

The previous prime is 2199874879. The next prime is 2199874909. The reversal of 2199874897 is 7984789912.

It is a happy number.

2199874897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2199874897 - 223 = 2191486289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199874867) 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, 728379 + ... + 731392.

It is an arithmetic number, because the mean of its divisors is an integer number (302172804).

Almost surely, 22199874897 is an apocalyptic number.

It is an amenable number.

2199874897 is a deficient number, since it is larger than the sum of its proper divisors (217507535).

2199874897 is a wasteful number, since it uses less digits than its factorization.

2199874897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459919.

The product of its digits is 18289152, while the sum is 64.

The square root of 2199874897 is about 46902.8239768140. The cubic root of 2199874897 is about 1300.5667936732.

The spelling of 2199874897 in words is "two billion, one hundred ninety-nine million, eight hundred seventy-four thousand, eight hundred ninety-seven".

Divisors: 1 11 137 1507 1459771 16057481 199988627 2199874897