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212101033220 = 22533154758573
BaseRepresentation
bin1100010110001000110…
…1001110110100000100
3202021110200111212100222
43011202031032310010
511433340331030340
6241234325123512
721216030015146
oct3054215166404
9667420455328
10212101033220
1181a5155a5aa
1235134259598
131700239986b
14a3a12bcc96
1557b5a008b5
hex316234ed04

212101033220 has 48 divisors (see below), whose sum is σ = 447582209088. Its totient is φ = 84428023680.

The previous prime is 212101033217. The next prime is 212101033231. The reversal of 212101033220 is 22330101212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591854 + ... + 3650426.

It is an arithmetic number, because the mean of its divisors is an integer number (9324629356).

Almost surely, 2212101033220 is an apocalyptic number.

212101033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101033220 is an abundant number, since it is smaller than the sum of its proper divisors (235481175868).

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

212101033220 is a wasteful number, since it uses less digits than its factorization.

212101033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59460 (or 59458 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212101033220 its reverse (22330101212), we get a palindrome (234431134432).

The spelling of 212101033220 in words is "two hundred twelve billion, one hundred one million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 331 547 662 1094 1324 1655 2188 2735 3310 5470 6620 10940 58573 117146 181057 234292 292865 362114 585730 724228 905285 1171460 1810570 3621140 19387663 32039431 38775326 64078862 77550652 96938315 128157724 160197155 193876630 320394310 387753260 640788620 10605051661 21210103322 42420206644 53025258305 106050516610 212101033220