Search a number
-
+
12042042223405 = 5521145916011979
BaseRepresentation
bin1010111100111100000110…
…1001100010101100101101
31120122012121121221100010211
42233033001221202230231
53034244100302122110
641340012100502421
72352003014013265
oct257170151425455
946565547840124
1012042042223405
113923001999587
1214259b36aaa11
136947378b105c
142d8ba34b67a5
1515d393d5a98a
hexaf3c1a62b2d

12042042223405 has 32 divisors (see below), whose sum is σ = 14504484931200. Its totient is φ = 9597699072000.

The previous prime is 12042042223399. The next prime is 12042042223447. The reversal of 12042042223405 is 50432224024021.

It is a happy number.

It is not a de Polignac number, because 12042042223405 - 215 = 12042042190637 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6084911706 + ... + 6084913684.

It is an arithmetic number, because the mean of its divisors is an integer number (453265154100).

Almost surely, 212042042223405 is an apocalyptic number.

It is an amenable number.

12042042223405 is a deficient number, since it is larger than the sum of its proper divisors (2462442707795).

12042042223405 is a wasteful number, since it uses less digits than its factorization.

12042042223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 12042042223405 its reverse (50432224024021), we get a palindrome (62474266247426).

The spelling of 12042042223405 in words is "twelve trillion, forty-two billion, forty-two million, two hundred twenty-three thousand, four hundred five".

Divisors: 1 5 521 1459 1601 1979 2605 7295 8005 9895 760139 834121 1031059 2335859 2887361 3168379 3800695 4170605 5155295 11679295 14436805 15841895 1216982539 1504315081 1650725459 4622664961 6084912695 7521575405 8253627295 23113324805 2408408444681 12042042223405