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120012310033 = 721121741113257
BaseRepresentation
bin110111111000101001…
…0101000011000010001
3102110202212100000200121
41233301102220120101
53431241122410113
6131044412150241
711446005542500
oct1576122503021
9373685300617
10120012310033
1146995902900
121b313a68381
13b417907505
145b46c2c837
1531c60d7e8d
hex1bf14a8611

120012310033 has 144 divisors (see below), whose sum is σ = 168567113232. Its totient is φ = 84777369600.

The previous prime is 120012310027. The next prime is 120012310043. The reversal of 120012310033 is 330013210021.

It can be written as a sum of positive squares in 8 ways, for example, as 2022121024 + 117990189009 = 44968^2 + 343497^2 .

It is a de Polignac number, because none of the positive numbers 2k-120012310033 is a prime.

It is a super-2 number, since 2×1200123100332 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120012309989 and 120012310016.

It is not an unprimeable number, because it can be changed into a prime (120012310043) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 466973841 + ... + 466974097.

It is an arithmetic number, because the mean of its divisors is an integer number (1170604953).

Almost surely, 2120012310033 is an apocalyptic number.

It is an amenable number.

120012310033 is a deficient number, since it is larger than the sum of its proper divisors (48554803199).

120012310033 is a wasteful number, since it uses less digits than its factorization.

120012310033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120012310033 its reverse (330013210021), we get a palindrome (450025520054).

The spelling of 120012310033 in words is "one hundred twenty billion, twelve million, three hundred ten thousand, thirty-three".

Divisors: 1 7 11 17 41 49 77 113 119 121 187 257 287 451 539 697 791 833 847 1243 1309 1799 1921 2009 2057 2827 3157 4369 4633 4879 4961 5537 5929 7667 8701 9163 10537 12593 13447 13673 14399 19789 21131 22099 29041 30583 31097 32431 34153 34727 48059 50963 53669 60907 73759 78761 84337 94129 95711 100793 115907 138523 147917 179129 203287 214081 217679 227017 232441 243089 319451 336413 356741 375683 493697 516313 528649 551327 560593 590359 669977 811349 866371 1035419 1190681 1253903 1274977 1423009 1523753 1627087 1970419 2236157 2354891 2497187 3455879 3513961 3700543 3859289 3924151 4132513 5430667 5679443 6064597 8334767 8777321 8924839 9530081 11389609 13097491 13792933 15653099 20241577 21674609 24191153 24597727 25903801 27469057 38014669 42452179 58343369 59737337 62473873 66710567 91682437 96550531 141691039 144072401 151722263 172184089 222657347 266102683 418161359 466973969 641777059 991837273 1008506807 1062055841 1558601429 2449230817 2927129513 7059547649 10910210003 17144615719 120012310033