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12854824730971 = 47303271754957
BaseRepresentation
bin1011101100001111111101…
…0000110000000101011011
31200111220112211121202001121
42323003333100300011123
53141103140112342341
643201231442430111
72464505353232236
oct273037720600533
950456484552047
1012854824730971
114106778488413
121537426962337
13723287b5c172
1432626935041d
151745b443c4d1
hexbb0ff43015b

12854824730971 has 4 divisors (see below), whose sum is σ = 12855096533232. Its totient is φ = 12854552928712.

The previous prime is 12854824730953. The next prime is 12854824730981. The reversal of 12854824730971 is 17903742845821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12854824730971 - 221 = 12854822633819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12854824730941) 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 3 ways as a sum of consecutive naturals, for example, 135830176 + ... + 135924781.

It is an arithmetic number, because the mean of its divisors is an integer number (3213774133308).

Almost surely, 212854824730971 is an apocalyptic number.

12854824730971 is a deficient number, since it is larger than the sum of its proper divisors (271802261).

12854824730971 is an equidigital number, since it uses as much as digits as its factorization.

12854824730971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271802260.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 12854824730971 in words is "twelve trillion, eight hundred fifty-four billion, eight hundred twenty-four million, seven hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 47303 271754957 12854824730971