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2730317249 = 111773319919
BaseRepresentation
bin1010001010111101…
…0101010111000001
321001021120111011002
42202233111113001
521042430122444
61130532101345
7124442212412
oct24257252701
97037514132
102730317249
111181213840
12642464855
1334686cc4a
141bc885809
1510ea72d4e
hexa2bd55c1

2730317249 has 16 divisors (see below), whose sum is σ = 3158196480. Its totient is φ = 2332796160.

The previous prime is 2730317243. The next prime is 2730317267. The reversal of 2730317249 is 9427130372.

2730317249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2730317249 - 220 = 2729268673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730317243) 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, 127112 + ... + 147030.

It is an arithmetic number, because the mean of its divisors is an integer number (197387280).

Almost surely, 22730317249 is an apocalyptic number.

It is an amenable number.

2730317249 is a deficient number, since it is larger than the sum of its proper divisors (427879231).

2730317249 is a wasteful number, since it uses less digits than its factorization.

2730317249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2730317249 is about 52252.4377326073. The cubic root of 2730317249 is about 1397.6691229788.

The spelling of 2730317249 in words is "two billion, seven hundred thirty million, three hundred seventeen thousand, two hundred forty-nine".

Divisors: 1 11 17 187 733 8063 12461 19919 137071 219109 338623 3724853 14600627 160606897 248210659 2730317249