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203223110120 = 23543472513893
BaseRepresentation
bin1011110101000100001…
…0101001000111101000
3201102112222010122101022
42331101002221013220
511312200104010440
6233205344312012
720453025635342
oct2752102510750
9642488118338
10203223110120
1179206169578
1233477012608
1316218cbc924
149b9c1a4292
1554463d9cb5
hex2f510a91e8

203223110120 has 64 divisors (see below), whose sum is σ = 477840971520. Its totient is φ = 77709429504.

The previous prime is 203223110089. The next prime is 203223110147. The reversal of 203223110120 is 21011322302.

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 15 ways as a sum of consecutive naturals, for example, 1176107 + ... + 1337786.

It is an arithmetic number, because the mean of its divisors is an integer number (7466265180).

Almost surely, 2203223110120 is an apocalyptic number.

203223110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203223110120 is an abundant number, since it is smaller than the sum of its proper divisors (274617861400).

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

203223110120 is a wasteful number, since it uses less digits than its factorization.

203223110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513994 (or 2513990 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203223110120 its reverse (21011322302), we get a palindrome (224234432422).

The spelling of 203223110120 in words is "two hundred three billion, two hundred twenty-three million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 47 86 94 172 188 215 235 344 376 430 470 860 940 1720 1880 2021 4042 8084 10105 16168 20210 40420 80840 2513893 5027786 10055572 12569465 20111144 25138930 50277860 100555720 108097399 118152971 216194798 236305942 432389596 472611884 540486995 590764855 864779192 945223768 1080973990 1181529710 2161947980 2363059420 4323895960 4726118840 5080577753 10161155506 20322311012 25402888765 40644622024 50805777530 101611555060 203223110120