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212203201005 = 3451267141351
BaseRepresentation
bin1100010110100001001…
…0111110000111101101
3202021201210202112020000
43011220102332013231
511434043004413010
6241252415014513
721221410306335
oct3055022760755
9667653675200
10212203201005
1181aa41a1794
123516250a439
131701a5bbc83
14a3b0ab60c5
1557be9827c0
hex31684be1ed

212203201005 has 40 divisors (see below), whose sum is σ = 380433106944. Its totient is φ = 113163372000.

The previous prime is 212203200991. The next prime is 212203201073. The reversal of 212203201005 is 500102302212.

212203201005 is a `hidden beast` number, since 21 + 220 + 320 + 100 + 5 = 666.

It is not a de Polignac number, because 212203201005 - 26 = 212203200941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5111080 + ... + 5152430.

Almost surely, 2212203201005 is an apocalyptic number.

It is an amenable number.

212203201005 is a deficient number, since it is larger than the sum of its proper divisors (168229905939).

212203201005 is a wasteful number, since it uses less digits than its factorization.

212203201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54039 (or 54030 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 212203201005 its reverse (500102302212), we get a palindrome (712305503217).

The spelling of 212203201005 in words is "two hundred twelve billion, two hundred three million, two hundred one thousand, five".

Divisors: 1 3 5 9 15 27 45 81 135 405 12671 38013 41351 63355 114039 124053 190065 206755 342117 372159 570195 620265 1026351 1116477 1710585 1860795 3349431 5131755 5582385 16747155 523958521 1571875563 2619792605 4715626689 7859377815 14146880067 23578133445 42440640201 70734400335 212203201005