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2189668203 = 32972508211
BaseRepresentation
bin1000001010000011…
…1010111101101011
312122121020200002100
42002200322331223
513441023340303
61001140104443
7105155605212
oct20240727553
95577220070
102189668203
11a24013148
12511395123
1328b854a78
1416ab4c079
15cc37a8a3
hex8283af6b

2189668203 has 12 divisors (see below), whose sum is σ = 3195462088. Its totient is φ = 1444728960.

The previous prime is 2189668193. The next prime is 2189668219. The reversal of 2189668203 is 3028669812.

2189668203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2189668203 - 29 = 2189667691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189668253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1253233 + ... + 1254978.

Almost surely, 22189668203 is an apocalyptic number.

2189668203 is a deficient number, since it is larger than the sum of its proper divisors (1005793885).

2189668203 is a wasteful number, since it uses less digits than its factorization.

2189668203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508314 (or 2508311 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2189668203 is about 46793.8906589311. The cubic root of 2189668203 is about 1298.5522745541.

The spelling of 2189668203 in words is "two billion, one hundred eighty-nine million, six hundred sixty-eight thousand, two hundred three".

Divisors: 1 3 9 97 291 873 2508211 7524633 22573899 243296467 729889401 2189668203