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89485505567 = 432081058269
BaseRepresentation
bin101001101010111000…
…0000111010000011111
322112222101202200102222
41103111300013100133
52431231242134232
6105035320535555
76315351150533
oct1232560072037
9275871680388
1089485505567
1134a50264887
12154146215bb
1385913639c3
14448c851bc3
1524db0edd12
hex14d5c0741f

89485505567 has 4 divisors (see below), whose sum is σ = 91566563880. Its totient is φ = 87404447256.

The previous prime is 89485505521. The next prime is 89485505579. The reversal of 89485505567 is 76550558498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76550558498 = 238275279249.

It is a cyclic number.

It is not a de Polignac number, because 89485505567 - 214 = 89485489183 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 (89485505507) 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, 1040529092 + ... + 1040529177.

It is an arithmetic number, because the mean of its divisors is an integer number (22891640970).

Almost surely, 289485505567 is an apocalyptic number.

89485505567 is a deficient number, since it is larger than the sum of its proper divisors (2081058313).

89485505567 is a wasteful number, since it uses less digits than its factorization.

89485505567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081058312.

The product of its (nonzero) digits is 60480000, while the sum is 62.

The spelling of 89485505567 in words is "eighty-nine billion, four hundred eighty-five million, five hundred five thousand, five hundred sixty-seven".

Divisors: 1 43 2081058269 89485505567