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64445053034 = 2236771360921
BaseRepresentation
bin111100000001001110…
…010111100001101010
320011100021201220012002
4330001032113201222
52023440413144114
645334453051002
74441002624665
oct740116274152
9204307656162
1064445053034
112537060920a
12105a6626a62
13610063599b
143194d786dc
151a22ada7de
hexf0139786a

64445053034 has 8 divisors (see below), whose sum is σ = 96671733348. Its totient is φ = 32221141920.

The previous prime is 64445053031. The next prime is 64445053051. The reversal of 64445053034 is 43035054446.

It can be written as a sum of positive squares in 2 ways, for example, as 61875070009 + 2569983025 = 248747^2 + 50695^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64445053031) 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, 633107 + ... + 727814.

Almost surely, 264445053034 is an apocalyptic number.

64445053034 is a deficient number, since it is larger than the sum of its proper divisors (32226680314).

64445053034 is a wasteful number, since it uses less digits than its factorization.

64445053034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384600.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 64445053034 in words is "sixty-four billion, four hundred forty-five million, fifty-three thousand, thirty-four".

Divisors: 1 2 23677 47354 1360921 2721842 32222526517 64445053034