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120200111200 = 25521311557703
BaseRepresentation
bin110111111110001111…
…1000010010001100000
3102111020221201022110101
41233330133002101200
53432132212024300
6131115201312144
711453446041661
oct1577437022140
9374227638411
10120200111200
1146a81913684
121b366935654
13b4477b0170
145b63b57368
1531d7832b6a
hex1bfc7c2460

120200111200 has 72 divisors (see below), whose sum is σ = 316010742768. Its totient is φ = 44381575680.

The previous prime is 120200111191. The next prime is 120200111201. The reversal of 120200111200 is 2111002021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200111201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5768452 + ... + 5789251.

It is an arithmetic number, because the mean of its divisors is an integer number (4389038094).

Almost surely, 2120200111200 is an apocalyptic number.

120200111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200111200 is an abundant number, since it is smaller than the sum of its proper divisors (195810631568).

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

120200111200 is a wasteful number, since it uses less digits than its factorization.

120200111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557736 (or 11557723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120200111200 its reverse (2111002021), we get a palindrome (122311113221).

The spelling of 120200111200 in words is "one hundred twenty billion, two hundred million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1040 1300 2080 2600 5200 10400 11557703 23115406 46230812 57788515 92461624 115577030 150250139 184923248 231154060 288942575 300500278 369846496 462308120 577885150 601000556 751250695 924616240 1155770300 1202001112 1502501390 1849232480 2311540600 2404002224 3005002780 3756253475 4623081200 4808004448 6010005560 7512506950 9246162400 12020011120 15025013900 24040022240 30050027800 60100055600 120200111200