Search a number
-
+
9978970592719 is a prime number
BaseRepresentation
bin1001000100110110100011…
…1111110101010111001111
31022022222110121200200021001
42101031220333311113033
52301443412432431334
633120135323521131
72046646123340062
oct221155077652717
938288417620231
109978970592719
1131a806a826087
121151ba90891a7
1357502241846b
14266db02428d9
15124898b37714
hex91368ff55cf

9978970592719 has 2 divisors, whose sum is σ = 9978970592720. Its totient is φ = 9978970592718.

The previous prime is 9978970592711. The next prime is 9978970592807. The reversal of 9978970592719 is 9172950798799.

It is a weak prime.

It is an emirp because it is prime and its reverse (9172950798799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9978970592719 - 23 = 9978970592711 is a prime.

It is a super-2 number, since 2×99789705927192 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9978970592711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989485296359 + 4989485296360.

It is an arithmetic number, because the mean of its divisors is an integer number (4989485296360).

Almost surely, 29978970592719 is an apocalyptic number.

9978970592719 is a deficient number, since it is larger than the sum of its proper divisors (1).

9978970592719 is an equidigital number, since it uses as much as digits as its factorization.

9978970592719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620304560, while the sum is 82.

The spelling of 9978970592719 in words is "nine trillion, nine hundred seventy-eight billion, nine hundred seventy million, five hundred ninety-two thousand, seven hundred nineteen".