Search a number
-
+
12313203321012 = 22311285132718991
BaseRepresentation
bin1011001100101110010000…
…0111000010100010110100
31121121010112022101022222220
42303023210013002202310
53103214420022233022
642104335120122340
72410412441221206
oct263134407024264
947533468338886
1012313203321012
113a180002a7650
12146a46aa663b0
136b418ca6ac79
14307d68494776
151654647e485c
hexb32e41c28b4

12313203321012 has 48 divisors (see below), whose sum is σ = 31353693901824. Its totient is φ = 3729964860000.

The previous prime is 12313203320959. The next prime is 12313203321071. The reversal of 12313203321012 is 21012330231321.

It is a super-2 number, since 2×123132033210122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15983164 + ... + 16735827.

It is an arithmetic number, because the mean of its divisors is an integer number (653201956288).

Almost surely, 212313203321012 is an apocalyptic number.

12313203321012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313203321012 is an abundant number, since it is smaller than the sum of its proper divisors (19040490580812).

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

12313203321012 is a wasteful number, since it uses less digits than its factorization.

12313203321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32721860 (or 32721858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12313203321012 its reverse (21012330231321), we get a palindrome (33325533552333).

The spelling of 12313203321012 in words is "twelve trillion, three hundred thirteen billion, two hundred three million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2851 5702 8553 11404 17106 31361 34212 62722 94083 125444 188166 376332 32718991 65437982 98156973 130875964 196313946 359908901 392627892 719817802 1079726703 1439635604 2159453406 4318906812 93281843341 186563686682 279845530023 373127373364 559691060046 1026100276751 1119382120092 2052200553502 3078300830253 4104401107004 6156601660506 12313203321012