Search a number
-
+
8100782956171 = 46786320100151
BaseRepresentation
bin111010111100001110001…
…0010100101111010001011
31001200102112111022001001201
41311320130102211322023
52030210400414044141
625121240500325031
71464155645003623
oct165703422457213
931612474261051
108100782956171
112643582878954
12aa9b9b9a3777
13469b92699a79
142001196ad883
15e0abecac031
hex75e1c4a5e8b

8100782956171 has 8 divisors (see below), whose sum is σ = 8127536661504. Its totient is φ = 8074069453800.

The previous prime is 8100782956169. The next prime is 8100782956181. The reversal of 8100782956171 is 1716592870018.

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 8100782956171 - 21 = 8100782956169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8100782956181) 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 7 ways as a sum of consecutive naturals, for example, 9647055 + ... + 10453096.

It is an arithmetic number, because the mean of its divisors is an integer number (1015942082688).

Almost surely, 28100782956171 is an apocalyptic number.

8100782956171 is a deficient number, since it is larger than the sum of its proper divisors (26753705333).

8100782956171 is a wasteful number, since it uses less digits than its factorization.

8100782956171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20101481.

The product of its (nonzero) digits is 1693440, while the sum is 55.

The spelling of 8100782956171 in words is "eight trillion, one hundred billion, seven hundred eighty-two million, nine hundred fifty-six thousand, one hundred seventy-one".

Divisors: 1 467 863 403021 20100151 9386770517 17346430313 8100782956171