Search a number
-
+
302012286949 is a prime number
BaseRepresentation
bin1000110010100010101…
…01011100011111100101
31001212112202101210111101
410121101111130133211
514422010121140244
6350424215240101
730551101040212
oct4312125343745
91055482353441
10302012286949
111070a007626a
124a647379031
13226309b8749
14108904b8b09
157cc919c0d4
hex465155c7e5

302012286949 has 2 divisors, whose sum is σ = 302012286950. Its totient is φ = 302012286948.

The previous prime is 302012286929. The next prime is 302012286967. The reversal of 302012286949 is 949682210203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297114386724 + 4897900225 = 545082^2 + 69985^2 .

It is a cyclic number.

It is not a de Polignac number, because 302012286949 - 29 = 302012286437 is a prime.

It is a super-2 number, since 2×3020122869492 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302012286899 and 302012286908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302012286929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151006143474 + 151006143475.

It is an arithmetic number, because the mean of its divisors is an integer number (151006143475).

Almost surely, 2302012286949 is an apocalyptic number.

It is an amenable number.

302012286949 is a deficient number, since it is larger than the sum of its proper divisors (1).

302012286949 is an equidigital number, since it uses as much as digits as its factorization.

302012286949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 302012286949 in words is "three hundred two billion, twelve million, two hundred eighty-six thousand, nine hundred forty-nine".