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182082108381821 = 198667991651499
BaseRepresentation
bin101001011001101001001011…
…011000111101101001111101
3212212200212202012102101000022
4221121221023120331221331
5142331213124221204241
61443131211003541525
753231666246436224
oct5131511330755175
9785625665371008
10182082108381821
115302065234669a
121850889582a8a5
137a7a36640832b
1432d6b6d01dcbb
15160b59082554b
hexa59a4b63da7d

182082108381821 has 4 divisors (see below), whose sum is σ = 182082202020000. Its totient is φ = 182082014743644.

The previous prime is 182082108381809. The next prime is 182082108381853. The reversal of 182082108381821 is 128183801280281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 182082108381821 - 230 = 182081034639997 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 (182082108381881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43839071 + ... + 47812428.

It is an arithmetic number, because the mean of its divisors is an integer number (45520550505000).

Almost surely, 2182082108381821 is an apocalyptic number.

It is an amenable number.

182082108381821 is a deficient number, since it is larger than the sum of its proper divisors (93638179).

182082108381821 is an equidigital number, since it uses as much as digits as its factorization.

182082108381821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93638178.

The product of its (nonzero) digits is 786432, while the sum is 53.

The spelling of 182082108381821 in words is "one hundred eighty-two trillion, eighty-two billion, one hundred eight million, three hundred eighty-one thousand, eight hundred twenty-one".

Divisors: 1 1986679 91651499 182082108381821