Search a number
-
+
10302172249 is a prime number
BaseRepresentation
bin10011001100000111…
…01010110001011001
3222120222100120112011
421212003222301121
5132044324002444
64422135145521
7513204006415
oct114603526131
928528316464
1010302172249
114407342546
121bb62152a1
13c82498c15
146da33dd45
1540469a734
hex2660eac59

10302172249 has 2 divisors, whose sum is σ = 10302172250. Its totient is φ = 10302172248.

The previous prime is 10302172183. The next prime is 10302172253. The reversal of 10302172249 is 94227120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5922379849 + 4379792400 = 76957^2 + 66180^2 .

It is an emirp because it is prime and its reverse (94227120301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10302172249 - 227 = 10167954521 is a prime.

It is a super-2 number, since 2×103021722492 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10302172249.

It is not a weakly prime, because it can be changed into another prime (10302172289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151086124 + 5151086125.

It is an arithmetic number, because the mean of its divisors is an integer number (5151086125).

Almost surely, 210302172249 is an apocalyptic number.

It is an amenable number.

10302172249 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302172249 is an equidigital number, since it uses as much as digits as its factorization.

10302172249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 10302172249 in words is "ten billion, three hundred two million, one hundred seventy-two thousand, two hundred forty-nine".