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89820495371 = 281319645891
BaseRepresentation
bin101001110100110110…
…1111111111000001011
322120211202002221001202
41103221231333320023
52432423021322441
6105132444534415
76326556420305
oct1235155777013
9276752087052
1089820495371
1135102367662
12154a885140b
138615892a19
1444c1132975
15250a72019b
hex14e9b7fe0b

89820495371 has 4 divisors (see below), whose sum is σ = 90140141544. Its totient is φ = 89500849200.

The previous prime is 89820495353. The next prime is 89820495389. The reversal of 89820495371 is 17359402898.

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

It is an interprime number because it is at equal distance from previous prime (89820495353) and next prime (89820495389).

It is a cyclic number.

It is not a de Polignac number, because 89820495371 - 222 = 89816301067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89820495301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159822665 + ... + 159823226.

It is an arithmetic number, because the mean of its divisors is an integer number (22535035386).

Almost surely, 289820495371 is an apocalyptic number.

89820495371 is a deficient number, since it is larger than the sum of its proper divisors (319646173).

89820495371 is a wasteful number, since it uses less digits than its factorization.

89820495371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319646172.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 89820495371 in words is "eighty-nine billion, eight hundred twenty million, four hundred ninety-five thousand, three hundred seventy-one".

Divisors: 1 281 319645891 89820495371