Search a number
-
+
6985007969 is a prime number
BaseRepresentation
bin1101000000101011…
…01100001101100001
3200000210112011120212
412200111230031201
5103301130223334
63113040543505
7335044405502
oct64025541541
920023464525
106985007969
112a64944965
12142b321b95
13874187114
144a3976ba9
152ad356ece
hex1a056c361

6985007969 has 2 divisors, whose sum is σ = 6985007970. Its totient is φ = 6985007968.

The previous prime is 6985007951. The next prime is 6985008007. The reversal of 6985007969 is 9697005896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5789231569 + 1195776400 = 76087^2 + 34580^2 .

It is a cyclic number.

It is not a de Polignac number, because 6985007969 - 28 = 6985007713 is a prime.

It is a super-2 number, since 2×69850079692 = 97580672653987009922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6985007929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492503984 + 3492503985.

It is an arithmetic number, because the mean of its divisors is an integer number (3492503985).

Almost surely, 26985007969 is an apocalyptic number.

It is an amenable number.

6985007969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6985007969 is an equidigital number, since it uses as much as digits as its factorization.

6985007969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 6985007969 is about 83576.3601085857. The cubic root of 6985007969 is about 1911.5645531577.

The spelling of 6985007969 in words is "six billion, nine hundred eighty-five million, seven thousand, nine hundred sixty-nine".