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212102332113 = 3779286144687
BaseRepresentation
bin1100010110001001001…
…0001011111011010001
3202021110202221212010010
43011202102023323101
511433341144111423
6241234413025133
721216044035050
oct3054222137321
9667422855103
10212102332113
1181a52267471
12351347851a9
1317002732b39
14a3a153a397
1557b5baa693
hex316248bed1

212102332113 has 32 divisors (see below), whose sum is σ = 327416463360. Its totient is φ = 119622634560.

The previous prime is 212102332111. The next prime is 212102332147. The reversal of 212102332113 is 311233201212.

It is not a de Polignac number, because 212102332113 - 21 = 212102332111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212102332113.

It is not an unprimeable number, because it can be changed into a prime (212102332111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4724056 + ... + 4768742.

It is an arithmetic number, because the mean of its divisors is an integer number (10231764480).

Almost surely, 2212102332113 is an apocalyptic number.

It is an amenable number.

212102332113 is a deficient number, since it is larger than the sum of its proper divisors (115314131247).

212102332113 is a wasteful number, since it uses less digits than its factorization.

212102332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47637.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212102332113 its reverse (311233201212), we get a palindrome (523335533325).

The spelling of 212102332113 in words is "two hundred twelve billion, one hundred two million, three hundred thirty-two thousand, one hundred thirteen".

Divisors: 1 3 7 21 79 237 553 1659 2861 8583 20027 44687 60081 134061 226019 312809 678057 938427 1582133 3530273 4746399 10590819 24711911 74135733 127849507 383548521 894946549 2684839647 10100111053 30300333159 70700777371 212102332113