Search a number
-
+
27085382047 = 204791322593
BaseRepresentation
bin11001001110011010…
…100010000110011111
32120220121220222012001
4121032122202012133
5420432324211142
620235353423131
71646125643263
oct311632420637
976817828161
1027085382047
1110539aa0469
1252baa0aaa7
1327285a68a9
14144d30a0a3
15a87ced5b7
hex64e6a219f

27085382047 has 4 divisors (see below), whose sum is σ = 27086725120. Its totient is φ = 27084038976.

The previous prime is 27085382021. The next prime is 27085382057. The reversal of 27085382047 is 74028358072.

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

It is a cyclic number.

It is not a de Polignac number, because 27085382047 - 223 = 27076993439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27085381988 and 27085382006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27085382017) 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, 640818 + ... + 681775.

It is an arithmetic number, because the mean of its divisors is an integer number (6771681280).

Almost surely, 227085382047 is an apocalyptic number.

27085382047 is a deficient number, since it is larger than the sum of its proper divisors (1343073).

27085382047 is a wasteful number, since it uses less digits than its factorization.

27085382047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343072.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 27085382047 in words is "twenty-seven billion, eighty-five million, three hundred eighty-two thousand, forty-seven".

Divisors: 1 20479 1322593 27085382047