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89377380893 = 372415604889
BaseRepresentation
bin101001100111101001…
…1101001101000011101
322112200212022101021102
41103033103221220131
52431021102142033
6105020455242445
76312566126333
oct1231723515035
9275625271242
1089377380893
11349a5224149
12153a4379425
138574b370c8
14447c347b53
1524d1891de8
hex14cf4e9a1d

89377380893 has 4 divisors (see below), whose sum is σ = 91792985820. Its totient is φ = 86961775968.

The previous prime is 89377380877. The next prime is 89377380929. The reversal of 89377380893 is 39808377398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39808377398 = 219904188699.

It can be written as a sum of positive squares in 2 ways, for example, as 68768768644 + 20608612249 = 262238^2 + 143557^2 .

It is a cyclic number.

It is not a de Polignac number, because 89377380893 - 24 = 89377380877 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 (89377380823) 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, 1207802408 + ... + 1207802481.

It is an arithmetic number, because the mean of its divisors is an integer number (22948246455).

Almost surely, 289377380893 is an apocalyptic number.

It is an amenable number.

89377380893 is a deficient number, since it is larger than the sum of its proper divisors (2415604927).

89377380893 is a wasteful number, since it uses less digits than its factorization.

89377380893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415604926.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 89377380893 in words is "eighty-nine billion, three hundred seventy-seven million, three hundred eighty thousand, eight hundred ninety-three".

Divisors: 1 37 2415604889 89377380893