Search a number
-
+
14785578601 is a prime number
BaseRepresentation
bin11011100010100101…
…00000011001101001
31102011102200012211021
431301102200121221
5220240102003401
610443054132441
71032254226103
oct156122403151
942142605737
1014785578601
1162a808a052
122a477b1121
1315182b28a1
14a0396a573
155b80ac2a1
hex3714a0669

14785578601 has 2 divisors, whose sum is σ = 14785578602. Its totient is φ = 14785578600.

The previous prime is 14785578571. The next prime is 14785578611. The reversal of 14785578601 is 10687558741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12683264400 + 2102314201 = 112620^2 + 45851^2 .

It is a cyclic number.

It is not a de Polignac number, because 14785578601 - 29 = 14785578089 is a prime.

It is a super-2 number, since 2×147855786012 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14785578611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7392789300 + 7392789301.

It is an arithmetic number, because the mean of its divisors is an integer number (7392789301).

Almost surely, 214785578601 is an apocalyptic number.

It is an amenable number.

14785578601 is a deficient number, since it is larger than the sum of its proper divisors (1).

14785578601 is an equidigital number, since it uses as much as digits as its factorization.

14785578601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 14785578601 in words is "fourteen billion, seven hundred eighty-five million, five hundred seventy-eight thousand, six hundred one".