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2206247071 = 7315178153
BaseRepresentation
bin1000001110000000…
…1010100010011111
312200202102222000111
42003200022202133
514004244401241
61002531310451
7105446535130
oct20340124237
95622388014
102206247071
11a32407096
12516a4b427
1329210ac52
1416d025c87
15cda52c81
hex8380a89f

2206247071 has 4 divisors (see below), whose sum is σ = 2521425232. Its totient is φ = 1891068912.

The previous prime is 2206247051. The next prime is 2206247081. The reversal of 2206247071 is 1707426022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2206247071 - 25 = 2206247039 is a prime.

It is a super-2 number, since 2×22062470712 = 9735052276592158082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206247051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157589070 + ... + 157589083.

It is an arithmetic number, because the mean of its divisors is an integer number (630356308).

Almost surely, 22206247071 is an apocalyptic number.

2206247071 is a deficient number, since it is larger than the sum of its proper divisors (315178161).

2206247071 is an equidigital number, since it uses as much as digits as its factorization.

2206247071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315178160.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2206247071 is about 46970.7043911415. The cubic root of 2206247071 is about 1301.8213269731.

The spelling of 2206247071 in words is "two billion, two hundred six million, two hundred forty-seven thousand, seventy-one".

Divisors: 1 7 315178153 2206247071