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2153052817 is a prime number
BaseRepresentation
bin1000000001010100…
…1111101010010001
312120001100102012221
42000111033222101
513402140142232
6553351221041
7104232434626
oct20025175221
95501312187
102153052817
11a053844a3
12501077781
132840a4966
14165d3a34d
15c9046897
hex8054fa91

2153052817 has 2 divisors, whose sum is σ = 2153052818. Its totient is φ = 2153052816.

The previous prime is 2153052787. The next prime is 2153052821. The reversal of 2153052817 is 7182503512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2153052801 + 16 = 46401^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153052817 - 223 = 2144664209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153052857) 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 as a sum of consecutive naturals, namely, 1076526408 + 1076526409.

It is an arithmetic number, because the mean of its divisors is an integer number (1076526409).

Almost surely, 22153052817 is an apocalyptic number.

It is an amenable number.

2153052817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153052817 is an equidigital number, since it uses as much as digits as its factorization.

2153052817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 2153052817 is about 46401.0001724101. Note that the first 3 decimals coincide. The cubic root of 2153052817 is about 1291.2734689154.

It can be divided in two parts, 21530 and 52817, that added together give a palindrome (74347).

The spelling of 2153052817 in words is "two billion, one hundred fifty-three million, fifty-two thousand, eight hundred seventeen".