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212013231230 = 2521201323123
BaseRepresentation
bin1100010101110011111…
…0010010110001111110
3202021020120022001200102
43011130332102301332
511433200341344410
6241221511201102
721213612505523
oct3053476226176
9667216261612
10212013231230
1181a06a3a679
123510a976192
1316cba137218
14a39378514a
1557ace5a2a5
hex315cf92c7e

212013231230 has 8 divisors (see below), whose sum is σ = 381623816232. Its totient is φ = 84805292488.

The previous prime is 212013231229. The next prime is 212013231253. The reversal of 212013231230 is 32132310212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2120132312302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600661552 + ... + 10600661571.

It is an arithmetic number, because the mean of its divisors is an integer number (47702977029).

Almost surely, 2212013231230 is an apocalyptic number.

212013231230 is a deficient number, since it is larger than the sum of its proper divisors (169610585002).

212013231230 is a wasteful number, since it uses less digits than its factorization.

212013231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201323130.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212013231230 its reverse (32132310212), we get a palindrome (244145541442).

The spelling of 212013231230 in words is "two hundred twelve billion, thirteen million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 21201323123 42402646246 106006615615 212013231230