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2102359249 is a prime number
BaseRepresentation
bin111110101001111…
…0111010011010001
312102111221220201101
41331103313103101
513301200443444
6544340504401
7103045521154
oct17523672321
95374856641
102102359249
119897aa691
124a80ab101
13276735973
1415d301c9b
15c48813d4
hex7d4f74d1

2102359249 has 2 divisors, whose sum is σ = 2102359250. Its totient is φ = 2102359248.

The previous prime is 2102359243. The next prime is 2102359267. The reversal of 2102359249 is 9429532012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835265600 + 267093649 = 42840^2 + 16343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102359249 - 23 = 2102359241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102359241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051179624 + 1051179625.

It is an arithmetic number, because the mean of its divisors is an integer number (1051179625).

Almost surely, 22102359249 is an apocalyptic number.

It is an amenable number.

2102359249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102359249 is an equidigital number, since it uses as much as digits as its factorization.

2102359249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2102359249 is about 45851.4912407437. The cubic root of 2102359249 is about 1281.0585418807.

The spelling of 2102359249 in words is "two billion, one hundred two million, three hundred fifty-nine thousand, two hundred forty-nine".