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223211230013212 = 22711876715947467
BaseRepresentation
bin110010110000001001101010…
…000100110010011100011100
31002021022210012101220022012221
4302300021222010302130130
5213224043044340410322
62110421453511235124
765005323235153030
oct6260115204623434
91067283171808187
10223211230013212
1165138395268411
122104b9b9378aa4
139771961b815bc
143d196a44c21c0
151ac13829649c7
hexcb026a13271c

223211230013212 has 24 divisors (see below), whose sum is σ = 446798553151104. Its totient is φ = 95581364336112.

The previous prime is 223211230013209. The next prime is 223211230013237. The reversal of 223211230013212 is 212310032112322.

It is a super-3 number, since 3×2232112300132123 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3357940498 + ... + 3358006969.

It is an arithmetic number, because the mean of its divisors is an integer number (18616606381296).

Almost surely, 2223211230013212 is an apocalyptic number.

It is an amenable number.

223211230013212 is an abundant number, since it is smaller than the sum of its proper divisors (223587323137892).

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

223211230013212 is a wasteful number, since it uses less digits than its factorization.

223211230013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715948665 (or 6715948663 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 223211230013212 its reverse (212310032112322), we get a palindrome (435521262125534).

The spelling of 223211230013212 in words is "two hundred twenty-three trillion, two hundred eleven billion, two hundred thirty million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 1187 2374 4748 8309 16618 33236 6715947467 13431894934 26863789868 47011632269 94023264538 188046529076 7971829643329 15943659286658 31887318573316 55802807503303 111605615006606 223211230013212