Search a number
-
+
7012758989 is a prime number
BaseRepresentation
bin1101000011111111…
…00011010111001101
3200002201202001211102
412201333203113031
5103330231241424
63115511432445
7335532316325
oct64177432715
920081661742
107012758989
112a79579695
121438685725
13879b52542
144a751c285
152b09d97ae
hex1a1fe35cd

7012758989 has 2 divisors, whose sum is σ = 7012758990. Its totient is φ = 7012758988.

The previous prime is 7012758953. The next prime is 7012758997. The reversal of 7012758989 is 9898572107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6458533225 + 554225764 = 80365^2 + 23542^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012758989 - 228 = 6744323533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7012758289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506379494 + 3506379495.

It is an arithmetic number, because the mean of its divisors is an integer number (3506379495).

Almost surely, 27012758989 is an apocalyptic number.

It is an amenable number.

7012758989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7012758989 is an equidigital number, since it uses as much as digits as its factorization.

7012758989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The square root of 7012758989 is about 83742.2174831787. The cubic root of 7012758989 is about 1914.0927186720.

The spelling of 7012758989 in words is "seven billion, twelve million, seven hundred fifty-eight thousand, nine hundred eighty-nine".