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212968592140 = 22516365327789
BaseRepresentation
bin1100011001010111101…
…0101101001100001100
3202100201010222102110211
43012111322231030030
511442124424422030
6241500400012204
721246363110353
oct3062572551414
9670633872424
10212968592140
1182357244447
1235336901064
1317110045135
14a4445d299a
155816c7012a
hex3195ead30c

212968592140 has 24 divisors (see below), whose sum is σ = 449977817520. Its totient is φ = 84664813248.

The previous prime is 212968592107. The next prime is 212968592141. The reversal of 212968592140 is 41295869212.

212968592140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212968592141) 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 7 ways as a sum of consecutive naturals, for example, 32660635 + ... + 32667154.

It is an arithmetic number, because the mean of its divisors is an integer number (18749075730).

Almost surely, 2212968592140 is an apocalyptic number.

212968592140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212968592140 is an abundant number, since it is smaller than the sum of its proper divisors (237009225380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212968592140 is a wasteful number, since it uses less digits than its factorization.

212968592140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65327961 (or 65327959 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 212968592140 in words is "two hundred twelve billion, nine hundred sixty-eight million, five hundred ninety-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 65327789 130655578 261311156 326638945 653277890 1306555780 10648429607 21296859214 42593718428 53242148035 106484296070 212968592140