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45049488985 = 582910868393
BaseRepresentation
bin101001111101001010…
…001010011001011001
311022021120120011012001
4221331022022121121
51214230132121420
632410114521001
73153240224014
oct517512123131
9138246504161
1045049488985
1118118297936
128892b96161
13432c24aa77
14227507237b
151289e66b0a
hexa7d28a659

45049488985 has 8 divisors (see below), whose sum is σ = 54124602120. Its totient is φ = 35996114304.

The previous prime is 45049488983. The next prime is 45049488989. The reversal of 45049488985 is 58988494054.

45049488985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15631750729 + 29417738256 = 125027^2 + 171516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45049488985 - 21 = 45049488983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45049488983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430052 + ... + 5438341.

It is an arithmetic number, because the mean of its divisors is an integer number (6765575265).

Almost surely, 245049488985 is an apocalyptic number.

It is an amenable number.

45049488985 is a deficient number, since it is larger than the sum of its proper divisors (9075113135).

45049488985 is a wasteful number, since it uses less digits than its factorization.

45049488985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869227.

The product of its (nonzero) digits is 66355200, while the sum is 64.

The spelling of 45049488985 in words is "forty-five billion, forty-nine million, four hundred eighty-eight thousand, nine hundred eighty-five".

Divisors: 1 5 829 4145 10868393 54341965 9009897797 45049488985