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14064277981 = 1323113416263
BaseRepresentation
bin11010001100100101…
…11101100111011101
31100022011102100101111
431012102331213131
5212300423343411
610243330142021
71005345250615
oct150622754735
940264370344
1014064277981
115a67a11236
122886121911
131431a260a0
14975c49a45
15574acd721
hex3464bd9dd

14064277981 has 16 divisors (see below), whose sum is σ = 15944576256. Its totient is φ = 12308034816.

The previous prime is 14064277943. The next prime is 14064277993. The reversal of 14064277981 is 18977246041.

It is a cyclic number.

It is not a de Polignac number, because 14064277981 - 27 = 14064277853 is a prime.

It is a super-2 number, since 2×140642779812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14064277921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174345 + ... + 241918.

It is an arithmetic number, because the mean of its divisors is an integer number (996536016).

Almost surely, 214064277981 is an apocalyptic number.

It is an amenable number.

14064277981 is a deficient number, since it is larger than the sum of its proper divisors (1880298275).

14064277981 is a wasteful number, since it uses less digits than its factorization.

14064277981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416412.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 14064277981 in words is "fourteen billion, sixty-four million, two hundred seventy-seven thousand, nine hundred eighty-one".

Divisors: 1 13 23 113 299 1469 2599 33787 416263 5411419 9574049 47037719 124462637 611490347 1081867537 14064277981