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889741998437 = 1877347394769
BaseRepresentation
bin11001111001010001100…
…00010111100101100101
310011001120122112121111112
430330220300113211211
5104034142422422222
61520424122514405
7121165431126305
oct14745060274545
93131518477445
10889741998437
11313379187456
12124530965a05
1365b964b71b6
14310c6ca3605
1518226ba8be2
hexcf28c17965

889741998437 has 4 divisors (see below), whose sum is σ = 889789411980. Its totient is φ = 889694584896.

The previous prime is 889741998433. The next prime is 889741998449. The reversal of 889741998437 is 734899147988.

889741998437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 537192248356 + 352549750081 = 732934^2 + 593759^2 .

It is a cyclic number.

It is not a de Polignac number, because 889741998437 - 22 = 889741998433 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 (889741998433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23678612 + ... + 23716157.

It is an arithmetic number, because the mean of its divisors is an integer number (222447352995).

Almost surely, 2889741998437 is an apocalyptic number.

It is an amenable number.

889741998437 is a deficient number, since it is larger than the sum of its proper divisors (47413543).

889741998437 is a wasteful number, since it uses less digits than its factorization.

889741998437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413542.

The product of its digits is 877879296, while the sum is 77.

The spelling of 889741998437 in words is "eight hundred eighty-nine billion, seven hundred forty-one million, nine hundred ninety-eight thousand, four hundred thirty-seven".

Divisors: 1 18773 47394769 889741998437