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113220220021200 = 243252831889200591
BaseRepresentation
bin11001101111100100100010…
…111111101110100111010000
3112211212202011210122020122200
4121233210202333232213100
5104320000002311134300
61040444352342403200
732563614412210035
oct3157444277564720
9484782153566580
10113220220021200
1133091475614296
1210846a06730500
134b2380c2723c6
141dd5c6051538c
15d151b7608200
hex66f922fee9d0

113220220021200 has 360 divisors, whose sum is σ = 397851902098560. Its totient is φ = 29812359782400.

The previous prime is 113220220021127. The next prime is 113220220021219. The reversal of 113220220021200 is 2120022022311.

113220220021200 is a `hidden beast` number, since 1 + 1 + 3 + 220 + 220 + 0 + 21 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 564332905 + ... + 564533495.

It is an arithmetic number, because the mean of its divisors is an integer number (1105144172496).

Almost surely, 2113220220021200 is an apocalyptic number.

113220220021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113220220021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198925951049280).

113220220021200 is an abundant number, since it is smaller than the sum of its proper divisors (284631682077360).

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

113220220021200 is a wasteful number, since it uses less digits than its factorization.

113220220021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202587 (or 202573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 113220220021200 its reverse (2120022022311), we get a palindrome (115340242043511).

The spelling of 113220220021200 in words is "one hundred thirteen trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, two hundred".