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212201000109 = 32741336124443
BaseRepresentation
bin1100010110100000101…
…0100100110010101101
3202021201122121201011100
43011220022210302231
511434041424000414
6241252255513313
721221352511620
oct3055012446255
9667648551140
10212201000109
1181aa2a2916a
1235161828839
1317019ccb277
14a3b06a1db7
1557be69a609
hex31682a4cad

212201000109 has 48 divisors (see below), whose sum is σ = 358965419904. Its totient is φ = 118260172800.

The previous prime is 212201000093. The next prime is 212201000113. The reversal of 212201000109 is 901000102212.

It is not a de Polignac number, because 212201000109 - 24 = 212201000093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212201000091 and 212201000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201005109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8669242 + ... + 8693684.

It is an arithmetic number, because the mean of its divisors is an integer number (7478446248).

Almost surely, 2212201000109 is an apocalyptic number.

It is an amenable number.

212201000109 is a deficient number, since it is larger than the sum of its proper divisors (146764419795).

212201000109 is a wasteful number, since it uses less digits than its factorization.

212201000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858 (or 27855 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 212201000109 in words is "two hundred twelve billion, two hundred one million, one hundred nine", and thus it is an aban number.

Divisors: 1 3 7 9 21 41 63 123 287 369 861 2583 3361 10083 23527 24443 30249 70581 73329 137801 171101 211743 219987 413403 513303 964607 1002163 1240209 1539909 2893821 3006489 7015141 8681463 9019467 21045423 63136269 82152923 246458769 575070461 739376307 1725211383 3368269843 5175634149 10104809529 23577888901 30314428587 70733666703 212201000109