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121333304220 = 223519109976447
BaseRepresentation
bin111000100000000000…
…1110100101110011100
3102121011221000111001020
41301000001310232130
53441442311213340
6131423441444140
711523516032502
oct1610001645634
9377157014036
10121333304220
114750353a337
121b622340650
13b5984b328b
145c30456672
1532520739d0
hex1c40074b9c

121333304220 has 96 divisors (see below), whose sum is σ = 360895180800. Its totient is φ = 30371376384.

The previous prime is 121333304153. The next prime is 121333304243. The reversal of 121333304220 is 22403333121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363964 + ... + 612483.

It is an arithmetic number, because the mean of its divisors is an integer number (3759324800).

Almost surely, 2121333304220 is an apocalyptic number.

121333304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333304220 is an abundant number, since it is smaller than the sum of its proper divisors (239561876580).

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

121333304220 is a wasteful number, since it uses less digits than its factorization.

121333304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976587 (or 976585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121333304220 its reverse (22403333121), we get a palindrome (143736637341).

The spelling of 121333304220 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 109 114 190 218 228 285 327 380 436 545 570 654 1090 1140 1308 1635 2071 2180 3270 4142 6213 6540 8284 10355 12426 20710 24852 31065 41420 62130 124260 976447 1952894 2929341 3905788 4882235 5858682 9764470 11717364 14646705 18552493 19528940 29293410 37104986 55657479 58586820 74209972 92762465 106432723 111314958 185524930 212865446 222629916 278287395 319298169 371049860 425730892 532163615 556574790 638596338 1064327230 1113149580 1277192676 1596490845 2022221737 2128654460 3192981690 4044443474 6066665211 6385963380 8088886948 10111108685 12133330422 20222217370 24266660844 30333326055 40444434740 60666652110 121333304220