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212055427583 = 7318043160997
BaseRepresentation
bin1100010101111101111…
…1010000100111111111
3202021100111200212012022
43011133133100213333
511433242142140313
6241230015430355
721214634252126
oct3053737204777
9667314625168
10212055427583
1181a2884039a
1235120b253bb
1316cc5abc68c
14a39920aabd
1557b19e2c08
hex315f7d09ff

212055427583 has 8 divisors (see below), whose sum is σ = 214973545488. Its totient is φ = 209137667904.

The previous prime is 212055427579. The next prime is 212055427609. The reversal of 212055427583 is 385724550212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212055427583 - 22 = 212055427579 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 (212055423583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236641 + ... + 1397637.

It is an arithmetic number, because the mean of its divisors is an integer number (26871693186).

Almost surely, 2212055427583 is an apocalyptic number.

212055427583 is a deficient number, since it is larger than the sum of its proper divisors (2918117905).

212055427583 is a wasteful number, since it uses less digits than its factorization.

212055427583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179113.

The product of its (nonzero) digits is 672000, while the sum is 44.

Adding to 212055427583 its reverse (385724550212), we get a palindrome (597779977795).

The spelling of 212055427583 in words is "two hundred twelve billion, fifty-five million, four hundred twenty-seven thousand, five hundred eighty-three".

Divisors: 1 73 18043 160997 1317139 11752781 2904868871 212055427583