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212013123300 = 223352117138489
BaseRepresentation
bin1100010101110011110…
…1111000011011100100
3202021020120002120122000
43011130331320123210
511433200324421200
6241221505005300
721213611546046
oct3053475703344
9667216076560
10212013123300
1181a06976580
123510a923830
1316cba0ca064
14a393757a96
1557ace38300
hex315cf786e4

212013123300 has 144 divisors (see below), whose sum is σ = 743545118400. Its totient is φ = 51397113600.

The previous prime is 212013123239. The next prime is 212013123317. The reversal of 212013123300 is 3321310212.

212013123300 is a `hidden beast` number, since 2 + 1 + 20 + 1 + 312 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3539545 + ... + 3598944.

Almost surely, 2212013123300 is an apocalyptic number.

212013123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212013123300 is an abundant number, since it is smaller than the sum of its proper divisors (531531995100).

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

212013123300 is a wasteful number, since it uses less digits than its factorization.

212013123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138523 (or 7138510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212013123300 its reverse (3321310212), we get a palindrome (215334433512).

The spelling of 212013123300 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 27 30 33 36 44 45 50 54 55 60 66 75 90 99 100 108 110 132 135 150 165 180 198 220 225 270 275 297 300 330 396 450 495 540 550 594 660 675 825 900 990 1100 1188 1350 1485 1650 1980 2475 2700 2970 3300 4950 5940 7425 9900 14850 29700 7138489 14276978 21415467 28553956 35692445 42830934 64246401 71384890 78523379 85661868 107077335 128492802 142769780 157046758 178462225 192739203 214154670 235570137 256985604 314093516 321232005 356924450 385478406 392616895 428309340 471140274 535386675 642464010 706710411 713848900 770956812 785233790 942280548 963696015 1070773350 1177850685 1284928020 1413420822 1570467580 1606160025 1927392030 1963084475 2120131233 2141546700 2355701370 2826841644 3212320050 3533552055 3854784060 3926168950 4240262466 4711402740 4818480075 5889253425 6424640100 7067104110 7852337900 8480524932 9636960150 10600656165 11778506850 14134208220 17667760275 19273920300 21201312330 23557013700 35335520550 42402624660 53003280825 70671041100 106006561650 212013123300