Search a number
-
+
14821331297 is a prime number
BaseRepresentation
bin11011100110110101…
…11001000101100001
31102020220221122022012
431303122321011201
5220323230100142
610450412322305
71033200144263
oct156332710541
942226848265
1014821331297
116316289633
122a57773395
131522820126
14a085d5b33
155bb2c0882
hex3736b9161

14821331297 has 2 divisors, whose sum is σ = 14821331298. Its totient is φ = 14821331296.

The previous prime is 14821331279. The next prime is 14821331303. The reversal of 14821331297 is 79213312841.

It is a happy number.

Together with previous prime (14821331279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14352998416 + 468332881 = 119804^2 + 21641^2 .

It is a cyclic number.

It is not a de Polignac number, because 14821331297 - 214 = 14821314913 is a prime.

It is a super-2 number, since 2×148213312972 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14821331267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7410665648 + 7410665649.

It is an arithmetic number, because the mean of its divisors is an integer number (7410665649).

Almost surely, 214821331297 is an apocalyptic number.

It is an amenable number.

14821331297 is a deficient number, since it is larger than the sum of its proper divisors (1).

14821331297 is an equidigital number, since it uses as much as digits as its factorization.

14821331297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The spelling of 14821331297 in words is "fourteen billion, eight hundred twenty-one million, three hundred thirty-one thousand, two hundred ninety-seven".