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2210771401 is a prime number
BaseRepresentation
bin1000001111000101…
…1011000111001001
312201001221211020021
42003301123013021
514011424141101
61003212300441
7105533150446
oct20361330711
95631854207
102210771401
11a34a17303
12518471721
13293033377
1416d8829cd
15ce1485a1
hex83c5b1c9

2210771401 has 2 divisors, whose sum is σ = 2210771402. Its totient is φ = 2210771400.

The previous prime is 2210771399. The next prime is 2210771447. The reversal of 2210771401 is 1041770122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1980339001 + 230432400 = 44501^2 + 15180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210771401 - 21 = 2210771399 is a prime.

Together with 2210771399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2210771491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105385700 + 1105385701.

It is an arithmetic number, because the mean of its divisors is an integer number (1105385701).

Almost surely, 22210771401 is an apocalyptic number.

It is an amenable number.

2210771401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210771401 is an equidigital number, since it uses as much as digits as its factorization.

2210771401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2210771401 is about 47018.8409151055. The cubic root of 2210771401 is about 1302.7105969378.

The spelling of 2210771401 in words is "two billion, two hundred ten million, seven hundred seventy-one thousand, four hundred one".