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44130552887 = 291521743203
BaseRepresentation
bin101001000110011000…
…101100110000110111
311012220112102100211202
4221012120230300313
51210334410143022
632135010523115
73121411340021
oct510630546067
9135815370752
1044130552887
1117796601613
12867729649b
134213a542b5
1421c8dc7011
151234449592
hexa4662cc37

44130552887 has 4 divisors (see below), whose sum is σ = 45652296120. Its totient is φ = 42608809656.

The previous prime is 44130552871. The next prime is 44130552919. The reversal of 44130552887 is 78825503144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44130552887 - 24 = 44130552871 is a prime.

It is a super-2 number, since 2×441305528872 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44130551887) 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, 760871573 + ... + 760871630.

It is an arithmetic number, because the mean of its divisors is an integer number (11413074030).

Almost surely, 244130552887 is an apocalyptic number.

44130552887 is a deficient number, since it is larger than the sum of its proper divisors (1521743233).

44130552887 is a wasteful number, since it uses less digits than its factorization.

44130552887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521743232.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 44130552887 in words is "forty-four billion, one hundred thirty million, five hundred fifty-two thousand, eight hundred eighty-seven".

Divisors: 1 29 1521743203 44130552887