Search a number
-
+
13708106497 is a prime number
BaseRepresentation
bin11001100010001000…
…10001101100000001
31022101100012221222001
430301010101230001
5211033233401442
610144124144001
7663461661031
oct146104215401
938340187861
1013708106497
1158a4961338
1227a6998001
1313a5cbbb27
149408138c1
155536c62b7
hex331111b01

13708106497 has 2 divisors, whose sum is σ = 13708106498. Its totient is φ = 13708106496.

The previous prime is 13708106479. The next prime is 13708106521. The reversal of 13708106497 is 79460180731.

Together with previous prime (13708106479) 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., 12313009296 + 1395097201 = 110964^2 + 37351^2 .

It is an emirp because it is prime and its reverse (79460180731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13708106497 - 27 = 13708106369 is a prime.

It is a super-2 number, since 2×137081064972 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13708101497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854053248 + 6854053249.

It is an arithmetic number, because the mean of its divisors is an integer number (6854053249).

Almost surely, 213708106497 is an apocalyptic number.

It is an amenable number.

13708106497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13708106497 is an equidigital number, since it uses as much as digits as its factorization.

13708106497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 13708106497 in words is "thirteen billion, seven hundred eight million, one hundred six thousand, four hundred ninety-seven".