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89865707699 = 219614092059
BaseRepresentation
bin101001110110001101…
…0011110000010110011
322120221220011221201102
41103230122132002303
52433021110121244
6105141141555015
76330645624545
oct1235432360263
9276856157642
1089865707699
1135125938319
12154bba15a6b
138622062b91
1444c7141695
15250e6a154e
hex14ec69e0b3

89865707699 has 4 divisors (see below), whose sum is σ = 89869821720. Its totient is φ = 89861593680.

The previous prime is 89865707681. The next prime is 89865707741. The reversal of 89865707699 is 99670756898.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89865707699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89865707669) 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 3 ways as a sum of consecutive naturals, for example, 2024069 + ... + 2067990.

It is an arithmetic number, because the mean of its divisors is an integer number (22467455430).

Almost surely, 289865707699 is an apocalyptic number.

89865707699 is a deficient number, since it is larger than the sum of its proper divisors (4114021).

89865707699 is a wasteful number, since it uses less digits than its factorization.

89865707699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114020.

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 89865707699 in words is "eighty-nine billion, eight hundred sixty-five million, seven hundred seven thousand, six hundred ninety-nine".

Divisors: 1 21961 4092059 89865707699