Search a number
-
+
2231311110112 = 25719524274227
BaseRepresentation
bin100000011110000100100…
…000011000111111100000
321220022101220111201210101
4200132010200120333200
5243024211121010422
64425014500512144
7320130653333260
oct40360440307740
97808356451711
102231311110112
11790325a51497
123005396ab654
13132547773526
1479dd318d7a0
153d095212c27
hex20784818fe0

2231311110112 has 48 divisors (see below), whose sum is σ = 5284684218240. Its totient is φ = 905945862528.

The previous prime is 2231311110101. The next prime is 2231311110163. The reversal of 2231311110112 is 2110111131322.

It is a super-3 number, since 3×22313111101123 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2231311110112.

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, 262132858 + ... + 262141369.

It is an arithmetic number, because the mean of its divisors is an integer number (110097587880).

Almost surely, 22231311110112 is an apocalyptic number.

It is an amenable number.

2231311110112 is an abundant number, since it is smaller than the sum of its proper divisors (3053373108128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231311110112 is a wasteful number, since it uses less digits than its factorization.

2231311110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524274263 (or 524274255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2231311110112 its reverse (2110111131322), we get a palindrome (4341422241434).

The spelling of 2231311110112 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 524274227 1048548454 2097096908 3669919589 4194193816 7339839178 8388387632 9961210313 14679678356 16776775264 19922420626 29359356712 39844841252 58718713424 69728472191 79689682504 117437426848 139456944382 159379365008 278913888764 318758730016 557827777528 1115655555056 2231311110112