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89428538813 = 532134779043
BaseRepresentation
bin101001101001001011…
…0110011010110111101
322112211102120110202012
41103102112303112331
52431122201220223
6105025523541005
76314060015645
oct1232226632675
9275742513665
1089428538813
1134a21095919
12153b952a765
138582609573
144485063525
1524d60e9c78
hex14d25b35bd

89428538813 has 8 divisors (see below), whose sum is σ = 91121290848. Its totient is φ = 87735987664.

The previous prime is 89428538807. The next prime is 89428538833. The reversal of 89428538813 is 31883582498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89428538813 - 28 = 89428538557 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 (89428538833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091870 + ... + 1170912.

It is an arithmetic number, because the mean of its divisors is an integer number (11390161356).

Almost surely, 289428538813 is an apocalyptic number.

It is an amenable number.

89428538813 is a deficient number, since it is larger than the sum of its proper divisors (1692752035).

89428538813 is a wasteful number, since it uses less digits than its factorization.

89428538813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100443.

The product of its digits is 13271040, while the sum is 59.

The spelling of 89428538813 in words is "eighty-nine billion, four hundred twenty-eight million, five hundred thirty-eight thousand, eight hundred thirteen".

Divisors: 1 53 21347 79043 1131391 4189279 1687330921 89428538813