Search a number
-
+
7061369989 is a prime number
BaseRepresentation
bin1101001001110001…
…11111010010000101
3200020010012202120211
412210320333102011
5103430202314424
63124405355421
7336662440342
oct64470772205
920203182524
107061369989
112aa3a60873
121450a08b71
13886c4264b
144adb737c9
152b4ddcb94
hex1a4e3f485

7061369989 has 2 divisors, whose sum is σ = 7061369990. Its totient is φ = 7061369988.

The previous prime is 7061369977. The next prime is 7061370011. The reversal of 7061369989 is 9899631607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6275016225 + 786353764 = 79215^2 + 28042^2 .

It is a cyclic number.

It is not a de Polignac number, because 7061369989 - 29 = 7061369477 is a prime.

It is a super-2 number, since 2×70613699892 = 99725892243099720242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7064369989) 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, 3530684994 + 3530684995.

It is an arithmetic number, because the mean of its divisors is an integer number (3530684995).

Almost surely, 27061369989 is an apocalyptic number.

It is an amenable number.

7061369989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7061369989 is an equidigital number, since it uses as much as digits as its factorization.

7061369989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 7061369989 is about 84031.9581409359. The cubic root of 7061369989 is about 1918.5052375114.

The spelling of 7061369989 in words is "seven billion, sixty-one million, three hundred sixty-nine thousand, nine hundred eighty-nine".