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131244203242200 = 233523974073135277
BaseRepresentation
bin11101110101110110101100…
…000111001111001011011000
3122012200211020011220202120210
4131311312230013033023120
5114200301112012222300
61143044430555251120
736434036463601656
oct3565665407171330
9565624204822523
10131244203242200
1138900399223444
121287800a149aa0
135830376994ab9
14245a3791d1dd6
151028e69c8b050
hex775dac1cf2d8

131244203242200 has 192 divisors, whose sum is σ = 407985017600160. Its totient is φ = 34901467729920.

The previous prime is 131244203242193. The next prime is 131244203242223. The reversal of 131244203242200 is 2242302442131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 970120962 + ... + 970256238.

Almost surely, 2131244203242200 is an apocalyptic number.

131244203242200 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 131244203242200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203992508800080).

131244203242200 is an abundant number, since it is smaller than the sum of its proper divisors (276740814357960).

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

131244203242200 is a wasteful number, since it uses less digits than its factorization.

131244203242200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139766 (or 139757 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131244203242200 its reverse (2242302442131), we get a palindrome (133486505684331).

The spelling of 131244203242200 in words is "one hundred thirty-one trillion, two hundred forty-four billion, two hundred three million, two hundred forty-two thousand, two hundred".