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2189914273 = 71193115973
BaseRepresentation
bin1000001010000111…
…0111000010100001
312122121201011122001
42002201313002201
513441104224043
61001145244001
7105160651501
oct20241670241
95577634561
102189914273
11a24171008
12511493601
1328b90ca81
1416abb3a01
15cc3c874d
hex828770a1

2189914273 has 8 divisors (see below), whose sum is σ = 2222047296. Its totient is φ = 2157817200.

The previous prime is 2189914271. The next prime is 2189914289. The reversal of 2189914273 is 3724199812.

It is a happy number.

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 2189914273 - 21 = 2189914271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189914271) 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, 129115 + ... + 145087.

It is an arithmetic number, because the mean of its divisors is an integer number (277755912).

Almost surely, 22189914273 is an apocalyptic number.

It is an amenable number.

2189914273 is a deficient number, since it is larger than the sum of its proper divisors (32133023).

2189914273 is a wasteful number, since it uses less digits than its factorization.

2189914273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975.

The product of its digits is 217728, while the sum is 46.

The square root of 2189914273 is about 46796.5198812903. The cubic root of 2189914273 is about 1298.6009155292.

The spelling of 2189914273 in words is "two billion, one hundred eighty-nine million, nine hundred fourteen thousand, two hundred seventy-three".

Divisors: 1 71 1931 15973 137101 1134083 30843863 2189914273