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120311442200 = 23523716258303
BaseRepresentation
bin111000000001100011…
…1101110101100011000
3102111112201012111212202
41300003013232230120
53432344212122300
6131134215425332
711456300246105
oct1600307565430
9374481174782
10120311442200
1147029744274
121b398085248
13b4648902b1
145b74857aac
1531e24c4ad5
hex1c031eeb18

120311442200 has 48 divisors (see below), whose sum is σ = 287284231680. Its totient is φ = 46823909760.

The previous prime is 120311442197. The next prime is 120311442227. The reversal of 120311442200 is 2244113021.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 8121752 + ... + 8136551.

It is an arithmetic number, because the mean of its divisors is an integer number (5985088160).

Almost surely, 2120311442200 is an apocalyptic number.

120311442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120311442200 is an abundant number, since it is smaller than the sum of its proper divisors (166972789480).

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

120311442200 is a wasteful number, since it uses less digits than its factorization.

120311442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16258356 (or 16258347 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120311442200 its reverse (2244113021), we get a palindrome (122555555221).

The spelling of 120311442200 in words is "one hundred twenty billion, three hundred eleven million, four hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 296 370 740 925 1480 1850 3700 7400 16258303 32516606 65033212 81291515 130066424 162583030 325166060 406457575 601557211 650332120 812915150 1203114422 1625830300 2406228844 3007786055 3251660600 4812457688 6015572110 12031144220 15038930275 24062288440 30077860550 60155721100 120311442200