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212013202712 = 23167158692517
BaseRepresentation
bin1100010101110011111…
…0001011110100011000
3202021020120020121120012
43011130332023310120
511433200334441322
6241221510421052
721213612326423
oct3053476136430
9667216217505
10212013202712
1181a06a20203
123510a961788
1316cba12724c
14a3937789ba
1557ace51ae2
hex315cf8bd18

212013202712 has 16 divisors (see below), whose sum is σ = 399905145360. Its totient is φ = 105371830624.

The previous prime is 212013202711. The next prime is 212013202759. The reversal of 212013202712 is 217202310212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013202711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79344923 + ... + 79347594.

It is an arithmetic number, because the mean of its divisors is an integer number (24994071585).

Almost surely, 2212013202712 is an apocalyptic number.

It is an amenable number.

212013202712 is a deficient number, since it is larger than the sum of its proper divisors (187891942648).

212013202712 is a wasteful number, since it uses less digits than its factorization.

212013202712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158692690 (or 158692686 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 212013202712 its reverse (217202310212), we get a palindrome (429215512924).

The spelling of 212013202712 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, seven hundred twelve".

Divisors: 1 2 4 8 167 334 668 1336 158692517 317385034 634770068 1269540136 26501650339 53003300678 106006601356 212013202712