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89234000641 = 587891517869
BaseRepresentation
bin101001100011011000…
…0101100101100000001
322112022212111220112201
41103012300230230001
52430222401010031
6104554334153201
76306205330162
oct1230660545401
9275285456481
1089234000641
11349312a3475
1215364352801
138551215316
1444672a3769
1524c3ebdd61
hex14c6c2cb01

89234000641 has 4 divisors (see below), whose sum is σ = 89235577300. Its totient is φ = 89232423984.

The previous prime is 89234000627. The next prime is 89234000659. The reversal of 89234000641 is 14600043298.

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 79695548416 + 9538452225 = 282304^2 + 97665^2 .

It is a cyclic number.

It is not a de Polignac number, because 89234000641 - 29 = 89234000129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89234000641.

It is not an unprimeable number, because it can be changed into a prime (89234000621) 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, 700146 + ... + 817723.

It is an arithmetic number, because the mean of its divisors is an integer number (22308894325).

Almost surely, 289234000641 is an apocalyptic number.

89234000641 is the 188928-th centered pentagonal number.

It is an amenable number.

89234000641 is a deficient number, since it is larger than the sum of its proper divisors (1576659).

89234000641 is a wasteful number, since it uses less digits than its factorization.

89234000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576658.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 89234000641 in words is "eighty-nine billion, two hundred thirty-four million, six hundred forty-one", and thus it is an aban number.

Divisors: 1 58789 1517869 89234000641