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212066585807 = 1919756656849
BaseRepresentation
bin1100010110000000100…
…1110100110011001111
3202021101021200202101212
43011200021310303033
511433303021221212
6241231054525035
721215131144316
oct3054011646317
9667337622355
10212066585807
1181a3407176a
123512480677b
1316cc81c848b
14a39a8b327d
1557b2998e22
hex3160274ccf

212066585807 has 8 divisors (see below), whose sum is σ = 224361126000. Its totient is φ = 199885359744.

The previous prime is 212066585789. The next prime is 212066585821. The reversal of 212066585807 is 708585660212.

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 212066585807 - 26 = 212066585743 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 (212066585207) 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, 28324682 + ... + 28332167.

It is an arithmetic number, because the mean of its divisors is an integer number (28045140750).

Almost surely, 2212066585807 is an apocalyptic number.

212066585807 is a deficient number, since it is larger than the sum of its proper divisors (12294540193).

212066585807 is a wasteful number, since it uses less digits than its factorization.

212066585807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56657065.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 212066585807 in words is "two hundred twelve billion, sixty-six million, five hundred eighty-five thousand, eight hundred seven".

Divisors: 1 19 197 3743 56656849 1076480131 11161399253 212066585807