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14818145614640 = 245185226820183
BaseRepresentation
bin1101011110100001111001…
…0011100011101100110000
31221110121020001020102111122
43113220132103203230300
53420240030234132030
651303210115001412
73056401314341144
oct327503623435460
957417201212448
1014818145614640
1147a3381989215
1217b3a32b99268
138364643559b4
143932b86c7224
151aa6c225d8e5
hexd7a1e4e3b30

14818145614640 has 20 divisors (see below), whose sum is σ = 34452188554224. Its totient is φ = 5927258245824.

The previous prime is 14818145614639. The next prime is 14818145614661. The reversal of 14818145614640 is 4641654181841.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92613410012 + ... + 92613410171.

Almost surely, 214818145614640 is an apocalyptic number.

14818145614640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14818145614640 is an abundant number, since it is smaller than the sum of its proper divisors (19634042939584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14818145614640 is a wasteful number, since it uses less digits than its factorization.

14818145614640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185226820196 (or 185226820190 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 14818145614640 in words is "fourteen trillion, eight hundred eighteen billion, one hundred forty-five million, six hundred fourteen thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 185226820183 370453640366 740907280732 926134100915 1481814561464 1852268201830 2963629122928 3704536403660 7409072807320 14818145614640