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2206025641 is a prime number
BaseRepresentation
bin1000001101111101…
…0100011110101001
312200202000201021101
42003133110132221
514004220310031
61002522441401
7105444623431
oct20337243651
95622021241
102206025641
11a32275796
12516963261
13292061221
1416cda92c1
15cda0c361
hex837d47a9

2206025641 has 2 divisors, whose sum is σ = 2206025642. Its totient is φ = 2206025640.

The previous prime is 2206025639. The next prime is 2206025651. The reversal of 2206025641 is 1465206022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406550016 + 799475625 = 37504^2 + 28275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206025641 - 21 = 2206025639 is a prime.

Together with 2206025639, it forms a pair of twin primes.

2206025641 is a modest number, since divided by 25641 gives 2206 as remainder.

It is not a weakly prime, because it can be changed into another prime (2206025651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103012820 + 1103012821.

It is an arithmetic number, because the mean of its divisors is an integer number (1103012821).

Almost surely, 22206025641 is an apocalyptic number.

It is an amenable number.

2206025641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206025641 is an equidigital number, since it uses as much as digits as its factorization.

2206025641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2206025641 is about 46968.3472244873. The cubic root of 2206025641 is about 1301.7777730810. Note that the first 5 decimals are identical.

The spelling of 2206025641 in words is "two billion, two hundred six million, twenty-five thousand, six hundred forty-one".