Search a number
-
+
85192839795838 = 21289203591623169
BaseRepresentation
bin10011010111101110000000…
…111101000001010001111110
3102011122100121111001202221211
4103113232000331001101332
542131244413441431323
6501105014511115034
723641656663110635
oct2327560075012176
9364570544052854
1085192839795838
11251660981014a5
12967ab39812a7a
13386c85b9aa048
1417074d94bc51c
159cb0dbbbc70d
hex4d7b80f4147e

85192839795838 has 16 divisors (see below), whose sum is σ = 127894758444000. Its totient is φ = 42561256937472.

The previous prime is 85192839795809. The next prime is 85192839795841. The reversal of 85192839795838 is 83859793829158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51673918 + ... + 53297086.

It is an arithmetic number, because the mean of its divisors is an integer number (7993422402750).

Almost surely, 285192839795838 is an apocalyptic number.

85192839795838 is a deficient number, since it is larger than the sum of its proper divisors (42701918648162).

85192839795838 is a wasteful number, since it uses less digits than its factorization.

85192839795838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644819.

The product of its digits is 9405849600, while the sum is 85.

The spelling of 85192839795838 in words is "eighty-five trillion, one hundred ninety-two billion, eight hundred thirty-nine million, seven hundred ninety-five thousand, eight hundred thirty-eight".

Divisors: 1 2 1289 2578 20359 40718 1623169 3246338 26242751 52485502 2092264841 4184529682 33046097671 66092195342 42596419897919 85192839795838