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120112020440 = 2354773762903
BaseRepresentation
bin110111111011100111…
…0111111101111011000
3102111000210221211122122
41233313032333233120
53431442134123230
6131102333240412
711451326220416
oct1576716775730
9374023854578
10120112020440
1146a371167a5
121b341333108
13b432479259
145b561862b6
1531cec31be5
hex1bf73bfbd8

120112020440 has 32 divisors (see below), whose sum is σ = 270262003680. Its totient is φ = 48043037952.

The previous prime is 120112020421. The next prime is 120112020449. The reversal of 120112020440 is 44020211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878029 + ... + 1940931.

It is an arithmetic number, because the mean of its divisors is an integer number (8445687615).

Almost surely, 2120112020440 is an apocalyptic number.

120112020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112020440 is an abundant number, since it is smaller than the sum of its proper divisors (150149983240).

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

120112020440 is a wasteful number, since it uses less digits than its factorization.

120112020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110651 (or 110647 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120112020440 its reverse (44020211021), we get a palindrome (164132231461).

The spelling of 120112020440 in words is "one hundred twenty billion, one hundred twelve million, twenty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47737 62903 95474 125806 190948 238685 251612 314515 381896 477370 503224 629030 954740 1258060 1909480 2516120 3002800511 6005601022 12011202044 15014002555 24022404088 30028005110 60056010220 120112020440