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14971687057361 is a prime number
BaseRepresentation
bin1101100111011101111000…
…0101101011011111010001
31222000021112121112212111102
43121313132011223133101
53430244003341313421
651501521552554145
73103445235146246
oct331673605533721
958007477485442
1014971687057361
11485250303a731
121819743852955
13847a93521b98
1439a8c25435cd
151ae6abbd460b
hexd9dde16b7d1

14971687057361 has 2 divisors, whose sum is σ = 14971687057362. Its totient is φ = 14971687057360.

The previous prime is 14971687057291. The next prime is 14971687057447. The reversal of 14971687057361 is 16375078617941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8192532307600 + 6779154749761 = 2862260^2 + 2603681^2 .

It is an emirp because it is prime and its reverse (16375078617941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14971687057361 - 238 = 14696809150417 is a prime.

It is not a weakly prime, because it can be changed into another prime (14971687053361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485843528680 + 7485843528681.

It is an arithmetic number, because the mean of its divisors is an integer number (7485843528681).

Almost surely, 214971687057361 is an apocalyptic number.

It is an amenable number.

14971687057361 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971687057361 is an equidigital number, since it uses as much as digits as its factorization.

14971687057361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53343360, while the sum is 65.

The spelling of 14971687057361 in words is "fourteen trillion, nine hundred seventy-one billion, six hundred eighty-seven million, fifty-seven thousand, three hundred sixty-one".