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2200606081 is a prime number
BaseRepresentation
bin1000001100101010…
…1001010110000001
312200100211101000221
42003022221112001
514001323343311
61002210343041
7105350562112
oct20312512601
95610741027
102200606081
11a2a203a13
12514b8aa81
13290bb449b
1416c398209
15cd2db671
hex832a9581

2200606081 has 2 divisors, whose sum is σ = 2200606082. Its totient is φ = 2200606080.

The previous prime is 2200606073. The next prime is 2200606103. The reversal of 2200606081 is 1806060022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963907856 + 236698225 = 44316^2 + 15385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200606081 - 23 = 2200606073 is a prime.

It is a super-2 number, since 2×22006060812 = 9685334247468357122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2200603081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100303040 + 1100303041.

It is an arithmetic number, because the mean of its divisors is an integer number (1100303041).

Almost surely, 22200606081 is an apocalyptic number.

It is an amenable number.

2200606081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200606081 is an equidigital number, since it uses as much as digits as its factorization.

2200606081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2200606081 is about 46910.6179984873. The cubic root of 2200606081 is about 1300.7108697891.

The spelling of 2200606081 in words is "two billion, two hundred million, six hundred six thousand, eighty-one".