Search a number
-
+
7145029069 is a prime number
BaseRepresentation
bin1101010011110000…
…00111110111001101
3200102221122002021021
412221320013313031
5104113111412234
63140554434141
7342026513353
oct65170076715
920387562237
107145029069
113037201102
121474a32951
1389b384369
144bad0d7d3
152bc4159b4
hex1a9e07dcd

7145029069 has 2 divisors, whose sum is σ = 7145029070. Its totient is φ = 7145029068.

The previous prime is 7145029061. The next prime is 7145029183. The reversal of 7145029069 is 9609205417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4866876169 + 2278152900 = 69763^2 + 47730^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145029069 - 23 = 7145029061 is a prime.

It is a super-2 number, since 2×71450290692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7145029061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572514534 + 3572514535.

It is an arithmetic number, because the mean of its divisors is an integer number (3572514535).

Almost surely, 27145029069 is an apocalyptic number.

It is an amenable number.

7145029069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145029069 is an equidigital number, since it uses as much as digits as its factorization.

7145029069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 7145029069 is about 84528.2737845746. The cubic root of 7145029069 is about 1926.0519639789.

The spelling of 7145029069 in words is "seven billion, one hundred forty-five million, twenty-nine thousand, sixty-nine".