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2173298693 is a prime number
BaseRepresentation
bin1000000110001001…
…1110100000000101
312121110110000100012
42001202132200011
513422331024233
6555353200005
7104566506536
oct20142364005
95543400305
102173298693
11a15852525
12507a00005
13288342c77
141688ca68d
15cabe5548
hex8189e805

2173298693 has 2 divisors, whose sum is σ = 2173298694. Its totient is φ = 2173298692.

The previous prime is 2173298669. The next prime is 2173298707. The reversal of 2173298693 is 3968923712.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1596242209 + 577056484 = 39953^2 + 24022^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173298693 - 26 = 2173298629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173298093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086649346 + 1086649347.

It is an arithmetic number, because the mean of its divisors is an integer number (1086649347).

Almost surely, 22173298693 is an apocalyptic number.

It is an amenable number.

2173298693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173298693 is an equidigital number, since it uses as much as digits as its factorization.

2173298693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 2173298693 is about 46618.6517715817. The cubic root of 2173298693 is about 1295.3082738318.

The spelling of 2173298693 in words is "two billion, one hundred seventy-three million, two hundred ninety-eight thousand, six hundred ninety-three".