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14981371870689 = 327584034071701
BaseRepresentation
bin1101101000000001111101…
…0110010011110111100001
31222001012112120020100210100
43122000133112103313201
53430423322144330224
651510203000053013
73104240234540520
oct332003726236741
958035476210710
1014981371870689
114856622948294
12181b5a7164169
13848977b24c63
1439b16089c4b7
151aea77083ac9
hexda01f593de1

14981371870689 has 24 divisors (see below), whose sum is σ = 24731583095232. Its totient is φ = 8560635242400.

The previous prime is 14981371870681. The next prime is 14981371870709. The reversal of 14981371870689 is 98607817318941.

14981371870689 is a `hidden beast` number, since 1 + 49 + 81 + 371 + 87 + 0 + 68 + 9 = 666.

It is not a de Polignac number, because 14981371870689 - 23 = 14981371870681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14981371870681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1643539 + ... + 5715239.

It is an arithmetic number, because the mean of its divisors is an integer number (1030482628968).

Almost surely, 214981371870689 is an apocalyptic number.

It is an amenable number.

14981371870689 is a deficient number, since it is larger than the sum of its proper divisors (9750211224543).

14981371870689 is a wasteful number, since it uses less digits than its factorization.

14981371870689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130117 (or 4130114 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 72.

The spelling of 14981371870689 in words is "fourteen trillion, nine hundred eighty-one billion, three hundred seventy-one million, eight hundred seventy thousand, six hundred eighty-nine".

Divisors: 1 3 7 9 21 63 58403 175209 408821 525627 1226463 3679389 4071701 12215103 28501907 36645309 85505721 256517163 237799553503 713398660509 1664596874521 2140195981527 4993790623563 14981371870689