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14851087457 = 45173287821
BaseRepresentation
bin11011101010011000…
…11001110001100001
31102022222221102002012
431311030121301201
5220403334244312
610453354202305
71034011106033
oct156514316141
942288842065
1014851087457
1163310628a8
122a65723395
131528a3b11b
14a0c53dc53
155bdbec322
hex375319c61

14851087457 has 4 divisors (see below), whose sum is σ = 14854379796. Its totient is φ = 14847795120.

The previous prime is 14851087453. The next prime is 14851087469. The reversal of 14851087457 is 75478015841.

It is a happy number.

14851087457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7156990801 + 7694096656 = 84599^2 + 87716^2 .

It is a cyclic number.

It is not a de Polignac number, because 14851087457 - 22 = 14851087453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14851087453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639394 + ... + 1648427.

It is an arithmetic number, because the mean of its divisors is an integer number (3713594949).

Almost surely, 214851087457 is an apocalyptic number.

It is an amenable number.

14851087457 is a deficient number, since it is larger than the sum of its proper divisors (3292339).

14851087457 is an equidigital number, since it uses as much as digits as its factorization.

14851087457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292338.

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 14851087457 in words is "fourteen billion, eight hundred fifty-one million, eighty-seven thousand, four hundred fifty-seven".

Divisors: 1 4517 3287821 14851087457