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44487063893 = 61971869247
BaseRepresentation
bin101001011011101000…
…101011100101010101
311020211101021000000002
4221123220223211111
51212102142021033
632234224101045
73133300542506
oct513350534525
9136741230002
1044487063893
1117959873608
128756764785
13426c879c5c
1422204aabad
1512558bc3e8
hexa5ba2b955

44487063893 has 4 divisors (see below), whose sum is σ = 44558933760. Its totient is φ = 44415194028.

The previous prime is 44487063833. The next prime is 44487063911. The reversal of 44487063893 is 39836078444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44487063893 - 28 = 44487063637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44487063833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35934005 + ... + 35935242.

It is an arithmetic number, because the mean of its divisors is an integer number (11139733440).

Almost surely, 244487063893 is an apocalyptic number.

It is an amenable number.

44487063893 is a deficient number, since it is larger than the sum of its proper divisors (71869867).

44487063893 is an equidigital number, since it uses as much as digits as its factorization.

44487063893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71869866.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 44487063893 in words is "forty-four billion, four hundred eighty-seven million, sixty-three thousand, eight hundred ninety-three".

Divisors: 1 619 71869247 44487063893