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44207055861 = 323640681969
BaseRepresentation
bin101001001010111100…
…100010001111110101
311020002212101010012020
4221022330202033311
51211014001241421
632150342343353
73123330526533
oct511274421765
9136085333166
1044207055861
1117825804411
128698a2ab59
13422685ba27
1421d521d153
15123b00bdc6
hexa4af223f5

44207055861 has 8 divisors (see below), whose sum is σ = 61505469120. Its totient is φ = 28190006592.

The previous prime is 44207055859. The next prime is 44207055883. The reversal of 44207055861 is 16855070244.

It is a happy number.

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

It is not a de Polignac number, because 44207055861 - 21 = 44207055859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44207055661) 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 7 ways as a sum of consecutive naturals, for example, 320340916 + ... + 320341053.

It is an arithmetic number, because the mean of its divisors is an integer number (7688183640).

Almost surely, 244207055861 is an apocalyptic number.

It is an amenable number.

44207055861 is a deficient number, since it is larger than the sum of its proper divisors (17298413259).

44207055861 is a wasteful number, since it uses less digits than its factorization.

44207055861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640681995.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 44207055861 in words is "forty-four billion, two hundred seven million, fifty-five thousand, eight hundred sixty-one".

Divisors: 1 3 23 69 640681969 1922045907 14735685287 44207055861