Search a number
-
+
7993956925397 is a prime number
BaseRepresentation
bin111010001010011110011…
…1101100111111111010101
31001022012210121021101221102
41310110330331213333111
52021433110433103042
625000212331555445
71453354463506022
oct164247475477725
931265717241842
107993956925397
112602244311903
12a91347bbbb85
1345ca99926281
141d8ca3c5a549
15dce1b66eb32
hex7453cf67fd5

7993956925397 has 2 divisors, whose sum is σ = 7993956925398. Its totient is φ = 7993956925396.

The previous prime is 7993956925379. The next prime is 7993956925453. The reversal of 7993956925397 is 7935296593997.

Together with previous prime (7993956925379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7094477294116 + 899479631281 = 2663546^2 + 948409^2 .

It is a cyclic number.

It is not a de Polignac number, because 7993956925397 - 230 = 7992883183573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993956925897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996978462698 + 3996978462699.

It is an arithmetic number, because the mean of its divisors is an integer number (3996978462699).

Almost surely, 27993956925397 is an apocalyptic number.

It is an amenable number.

7993956925397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993956925397 is an equidigital number, since it uses as much as digits as its factorization.

7993956925397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7812182700, while the sum is 83.

The spelling of 7993956925397 in words is "seven trillion, nine hundred ninety-three billion, nine hundred fifty-six million, nine hundred twenty-five thousand, three hundred ninety-seven".