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112123320220 = 22519295061369
BaseRepresentation
bin110100001101100010…
…0100001011110011100
3101201102001210211010201
41220123010201132130
53314112032221340
6123301515513244
711046343332262
oct1503304413634
9351361724121
10112123320220
114360776700a
1219891a58824
13a75b3914c2
1455d91c0432
152db371979a
hex1a1b12179c

112123320220 has 24 divisors (see below), whose sum is σ = 247851550800. Its totient is φ = 42488836992.

The previous prime is 112123320217. The next prime is 112123320247. The reversal of 112123320220 is 22023321211.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147530305 + ... + 147531064.

It is an arithmetic number, because the mean of its divisors is an integer number (10327147950).

Almost surely, 2112123320220 is an apocalyptic number.

112123320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112123320220 is an abundant number, since it is smaller than the sum of its proper divisors (135728230580).

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

112123320220 is a wasteful number, since it uses less digits than its factorization.

112123320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295061397 (or 295061395 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 112123320220 its reverse (22023321211), we get a palindrome (134146641431).

Subtracting from 112123320220 its reverse (22023321211), we obtain a palindrome (90099999009).

The spelling of 112123320220 in words is "one hundred twelve billion, one hundred twenty-three million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 295061369 590122738 1180245476 1475306845 2950613690 5606166011 5901227380 11212332022 22424664044 28030830055 56061660110 112123320220