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445106673487 = 7214276365669
BaseRepresentation
bin1100111101000100110…
…11001101011101001111
31120112220020201210120101
412132202123031131033
524243034302022422
6540251300431531
744105105204500
oct6364233153517
91515806653511
10445106673487
11161850127853
12723213a85a7
1332c8668b698
1417786a7cba7
15b8a18a8c27
hex67a26cd74f

445106673487 has 12 divisors (see below), whose sum is σ = 518140075320. Its totient is φ = 381252587856.

The previous prime is 445106673433. The next prime is 445106673499. The reversal of 445106673487 is 784376601544.

It is not a de Polignac number, because 445106673487 - 223 = 445098284879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445106671487) 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 11 ways as a sum of consecutive naturals, for example, 3112912 + ... + 3252757.

It is an arithmetic number, because the mean of its divisors is an integer number (43178339610).

Almost surely, 2445106673487 is an apocalyptic number.

445106673487 is a deficient number, since it is larger than the sum of its proper divisors (73033401833).

445106673487 is a wasteful number, since it uses less digits than its factorization.

445106673487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367110 (or 6367103 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 445106673487 in words is "four hundred forty-five billion, one hundred six million, six hundred seventy-three thousand, four hundred eighty-seven".

Divisors: 1 7 49 1427 9989 69923 6365669 44559683 311917781 9083809663 63586667641 445106673487