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88884220897 = 269330424613
BaseRepresentation
bin101001011000111101…
…0011001001111100001
322111102111100020221101
41102301322121033201
52424013330032042
6104455521154401
76264430261153
oct1226172311741
9274374306841
1088884220897
11347719097aa
121528718ba01
1384c6908464
144432a52ad3
1524a342a6b7
hex14b1e993e1

88884220897 has 4 divisors (see below), whose sum is σ = 89214645780. Its totient is φ = 88553796016.

The previous prime is 88884220813. The next prime is 88884220927. The reversal of 88884220897 is 79802248888.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26296189921 + 62588030976 = 162161^2 + 250176^2 .

It is a cyclic number.

It is not a de Polignac number, because 88884220897 - 219 = 88883696609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88884320897) 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, 165212038 + ... + 165212575.

It is an arithmetic number, because the mean of its divisors is an integer number (22303661445).

Almost surely, 288884220897 is an apocalyptic number.

It is an amenable number.

88884220897 is a deficient number, since it is larger than the sum of its proper divisors (330424883).

88884220897 is a wasteful number, since it uses less digits than its factorization.

88884220897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330424882.

The product of its (nonzero) digits is 33030144, while the sum is 64.

The spelling of 88884220897 in words is "eighty-eight billion, eight hundred eighty-four million, two hundred twenty thousand, eight hundred ninety-seven".

Divisors: 1 269 330424613 88884220897