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89420918802 = 2328435242169
BaseRepresentation
bin101001101000111100…
…1101111000000010010
322112210220020100001120
41103101321233000102
52431113223400202
6105025052343110
76313635161115
oct1232171570022
9275726210046
1089420918802
1134a17860896
12153b6a74a96
138580b6c097
14448403c57c
1524d55e20bc
hex14d1e6f012

89420918802 has 16 divisors (see below), whose sum is σ = 178904777760. Its totient is φ = 29796482912.

The previous prime is 89420918737. The next prime is 89420918813. The reversal of 89420918802 is 20881902498.

It is a happy number.

It is a super-2 number, since 2×894209188022 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604027 + ... + 2638142.

It is an arithmetic number, because the mean of its divisors is an integer number (11181548610).

Almost surely, 289420918802 is an apocalyptic number.

89420918802 is an abundant number, since it is smaller than the sum of its proper divisors (89483858958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89420918802 is a wasteful number, since it uses less digits than its factorization.

89420918802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245017.

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 89420918802 in words is "eighty-nine billion, four hundred twenty million, nine hundred eighteen thousand, eight hundred two".

Divisors: 1 2 3 6 2843 5686 8529 17058 5242169 10484338 15726507 31453014 14903486467 29806972934 44710459401 89420918802