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212013212297 = 1367155093791
BaseRepresentation
bin1100010101110011111…
…0001110001010001001
3202021020120021002201012
43011130332032022021
511433200340243142
6241221510533305
721213612366365
oct3053476161211
9667216232635
10212013212297
1181a06a27427
123510a967235
1316cba12b713
14a39377c2a5
1557ace54882
hex315cf8e289

212013212297 has 4 divisors (see below), whose sum is σ = 212168307456. Its totient is φ = 211858117140.

The previous prime is 212013212287. The next prime is 212013212321. The reversal of 212013212297 is 792212310212.

212013212297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212013212297 - 236 = 143293735561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013212287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77545529 + ... + 77548262.

It is an arithmetic number, because the mean of its divisors is an integer number (53042076864).

Almost surely, 2212013212297 is an apocalyptic number.

It is an amenable number.

212013212297 is a deficient number, since it is larger than the sum of its proper divisors (155095159).

212013212297 is a wasteful number, since it uses less digits than its factorization.

212013212297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155095158.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 212013212297 in words is "two hundred twelve billion, thirteen million, two hundred twelve thousand, two hundred ninety-seven".

Divisors: 1 1367 155093791 212013212297