Search a number
-
+
8012499997 is a prime number
BaseRepresentation
bin1110111011001010…
…10000110000011101
3202200101221011200011
413131211100300131
5112402144444442
63403023403221
7402362061205
oct73545206035
922611834604
108012499997
113441935927
121677453511
139a8ccb878
145601dd405
1531d669117
hex1dd950c1d

8012499997 has 2 divisors, whose sum is σ = 8012499998. Its totient is φ = 8012499996.

The previous prime is 8012499991. The next prime is 8012500003. The reversal of 8012499997 is 7999942108.

It is a balanced prime because it is at equal distance from previous prime (8012499991) and next prime (8012500003).

It can be written as a sum of positive squares in only one way, i.e., 7004183481 + 1008316516 = 83691^2 + 31754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8012499997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8012499991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006249998 + 4006249999.

It is an arithmetic number, because the mean of its divisors is an integer number (4006249999).

Almost surely, 28012499997 is an apocalyptic number.

It is an amenable number.

8012499997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8012499997 is an equidigital number, since it uses as much as digits as its factorization.

8012499997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 8012499997 is about 89512.5689330834. The cubic root of 8012499997 is about 2001.0411243527.

The spelling of 8012499997 in words is "eight billion, twelve million, four hundred ninety-nine thousand, nine hundred ninety-seven".