Search a number
-
+
12312111132110 = 251780769141973
BaseRepresentation
bin1011001100101010001100…
…0000101010110111001110
31121121000201012020101111002
42303022203000222313032
53103210200422211420
642104034502500302
72410343406610046
oct263124300526716
947530635211432
1012312111132110
113a1759a837999
12146a205134692
136b40476c374a
14307ca33ca726
151653ed9a3075
hexb32a302adce

12312111132110 has 16 divisors (see below), whose sum is σ = 22163044913856. Its totient is φ = 4924567813728.

The previous prime is 12312111132059. The next prime is 12312111132133. The reversal of 12312111132110 is 1123111121321.

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, 34392917 + ... + 34749056.

It is an arithmetic number, because the mean of its divisors is an integer number (1385190307116).

Almost surely, 212312111132110 is an apocalyptic number.

12312111132110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312111132110 is a deficient number, since it is larger than the sum of its proper divisors (9850933781746).

12312111132110 is a wasteful number, since it uses less digits than its factorization.

12312111132110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69159787.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 12312111132110 its reverse (1123111121321), we get a palindrome (13435222253431).

The spelling of 12312111132110 in words is "twelve trillion, three hundred twelve billion, one hundred eleven million, one hundred thirty-two thousand, one hundred ten".

Divisors: 1 2 5 10 17807 35614 89035 178070 69141973 138283946 345709865 691419730 1231211113211 2462422226422 6156055566055 12312111132110