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212160500071 = 13194722381953
BaseRepresentation
bin1100010110010111000…
…0000101000101100111
3202021121211102002112221
43011211300011011213
511434001042000241
6241244251453211
721220351331662
oct3054560050547
9667554362487
10212160500071
1181a82086963
1235150157207
13170117bac50
14a3a915c6d9
1557bad4a5d1
hex3165c05167

212160500071 has 32 divisors (see below), whose sum is σ = 246727434240. Its totient is φ = 180769065984.

The previous prime is 212160500051. The next prime is 212160500081. The reversal of 212160500071 is 170005061212.

It is not a de Polignac number, because 212160500071 - 25 = 212160500039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212160500051) 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 31 ways as a sum of consecutive naturals, for example, 2547831 + ... + 2629783.

It is an arithmetic number, because the mean of its divisors is an integer number (7710232320).

Almost surely, 2212160500071 is an apocalyptic number.

212160500071 is a deficient number, since it is larger than the sum of its proper divisors (34566934169).

212160500071 is a wasteful number, since it uses less digits than its factorization.

212160500071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82255.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 212160500071 its reverse (170005061212), we get a palindrome (382165561283).

The spelling of 212160500071 in words is "two hundred twelve billion, one hundred sixty million, five hundred thousand, seventy-one".

Divisors: 1 13 19 47 223 247 611 893 2899 4237 10481 11609 55081 81953 136253 199139 1065389 1557107 2588807 3851791 18275519 20242391 50073283 73184029 237581747 347234861 858949393 951392377 4514053193 11166342109 16320038467 212160500071