Search a number
-
+
88088066405 = 5171036330193
BaseRepresentation
bin101001000001001110…
…1010011100101100101
322102101000020102021222
41102002131103211211
52420401021111110
6104244520550125
76235622132063
oct1220235234545
9272330212258
1088088066405
11343a3465089
12150a4622345
1383ca9a0a21
144399009033
1524585b2c55
hex1482753965

88088066405 has 8 divisors (see below), whose sum is σ = 111923660952. Its totient is φ = 66325132288.

The previous prime is 88088066383. The next prime is 88088066431. The reversal of 88088066405 is 50466088088.

It can be written as a sum of positive squares in 4 ways, for example, as 50582708836 + 37505357569 = 224906^2 + 193663^2 .

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 88088066405 - 28 = 88088066149 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 7 ways as a sum of consecutive naturals, for example, 518165012 + ... + 518165181.

It is an arithmetic number, because the mean of its divisors is an integer number (13990457619).

Almost surely, 288088066405 is an apocalyptic number.

88088066405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88088066405 is a deficient number, since it is larger than the sum of its proper divisors (23835594547).

88088066405 is a wasteful number, since it uses less digits than its factorization.

88088066405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036330215.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 88088066405 in words is "eighty-eight billion, eighty-eight million, sixty-six thousand, four hundred five".

Divisors: 1 5 17 85 1036330193 5181650965 17617613281 88088066405