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102044322005 = 520408864401
BaseRepresentation
bin101111100001001010…
…0001100100011010101
3100202101122101122211112
41133002110030203111
53132441321301010
6114513431544405
710241516265653
oct1370224144325
9322348348745
10102044322005
113a3053a551a
121793a52b105
139813204932
144d20775dd3
1529c3954a05
hex17c250c8d5

102044322005 has 4 divisors (see below), whose sum is σ = 122453186412. Its totient is φ = 81635457600.

The previous prime is 102044321987. The next prime is 102044322031. The reversal of 102044322005 is 500223440201.

It is a happy number.

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 80632145764 + 21412176241 = 283958^2 + 146329^2 .

It is not a de Polignac number, because 102044322005 - 236 = 33324845269 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 10204432196 + ... + 10204432205.

It is an arithmetic number, because the mean of its divisors is an integer number (30613296603).

Almost surely, 2102044322005 is an apocalyptic number.

It is an amenable number.

102044322005 is a deficient number, since it is larger than the sum of its proper divisors (20408864407).

102044322005 is an equidigital number, since it uses as much as digits as its factorization.

102044322005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20408864406.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 102044322005 its reverse (500223440201), we get a palindrome (602267762206).

The spelling of 102044322005 in words is "one hundred two billion, forty-four million, three hundred twenty-two thousand, five".

Divisors: 1 5 20408864401 102044322005