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212133033330 = 23579347257947
BaseRepresentation
bin1100010110010000011…
…1010011010101110010
3202021112220201122021020
43011210013103111302
511433422024031310
6241241431040310
721216566014011
oct3054407232562
9667486648236
10212133033330
1181a68626779
1235142b10096
1317008bc203a
14a3a564ca78
1557b8722170
hex31641d3572

212133033330 has 64 divisors (see below), whose sum is σ = 517051607040. Its totient is φ = 55691573184.

The previous prime is 212133033323. The next prime is 212133033373. The reversal of 212133033330 is 33330331212.

It is a self number, because there is not a number n which added to its sum of digits gives 212133033330.

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, 693417 + ... + 951363.

It is an arithmetic number, because the mean of its divisors is an integer number (8078931360).

Almost surely, 2212133033330 is an apocalyptic number.

212133033330 is an abundant number, since it is smaller than the sum of its proper divisors (304918573710).

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

212133033330 is a wasteful number, since it uses less digits than its factorization.

212133033330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258383.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 212133033330 its reverse (33330331212), we get a palindrome (245463364542).

The spelling of 212133033330 in words is "two hundred twelve billion, one hundred thirty-three million, thirty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 347 395 474 694 790 1041 1185 1735 2082 2370 3470 5205 10410 27413 54826 82239 137065 164478 257947 274130 411195 515894 773841 822390 1289735 1547682 2579470 3869205 7738410 20377813 40755626 61133439 89507609 101889065 122266878 179015218 203778130 268522827 305667195 447538045 537045654 611334390 895076090 1342614135 2685228270 7071101111 14142202222 21213303333 35355505555 42426606666 70711011110 106066516665 212133033330