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2152350769 is a prime number
BaseRepresentation
bin1000000001001010…
…0100010000110001
312120000000202012011
42000102210100301
513402000211034
6553324202521
7104223452062
oct20022442061
95500022164
102152350769
11a04a44a98
12500999441
13283bba24a
14165bd6569
15c8e58864
hex804a4431

2152350769 has 2 divisors, whose sum is σ = 2152350770. Its totient is φ = 2152350768.

The previous prime is 2152350749. The next prime is 2152350847. The reversal of 2152350769 is 9670532512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1422270369 + 730080400 = 37713^2 + 27020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152350769 - 211 = 2152348721 is a prime.

It is a super-4 number, since 4×21523507694 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2152350749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076175384 + 1076175385.

It is an arithmetic number, because the mean of its divisors is an integer number (1076175385).

Almost surely, 22152350769 is an apocalyptic number.

It is an amenable number.

2152350769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152350769 is an equidigital number, since it uses as much as digits as its factorization.

2152350769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 2152350769 is about 46393.4345462804. The cubic root of 2152350769 is about 1291.1331047313.

The spelling of 2152350769 in words is "two billion, one hundred fifty-two million, three hundred fifty thousand, seven hundred sixty-nine".