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2066068860 = 2235193178417
BaseRepresentation
bin111101100100101…
…1011010101111100
312022222200011122220
41323021123111330
513212403200420
6541003005340
7102125203242
oct17311332574
95288604586
102066068860
11970273129
12497b09850
1326c06a76b
14158576792
15c15b3840
hex7b25b57c

2066068860 has 48 divisors (see below), whose sum is σ = 5814999456. Its totient is φ = 548093952.

The previous prime is 2066068819. The next prime is 2066068861. The reversal of 2066068860 is 688606602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066068861) 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 15 ways as a sum of consecutive naturals, for example, 77629 + ... + 100788.

It is an arithmetic number, because the mean of its divisors is an integer number (121145822).

Almost surely, 22066068860 is an apocalyptic number.

2066068860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066068860 is an abundant number, since it is smaller than the sum of its proper divisors (3748930596).

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

2066068860 is a wasteful number, since it uses less digits than its factorization.

2066068860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178622 (or 178620 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2066068860 is about 45454.0301843522. The cubic root of 2066068860 is about 1273.6446158065.

The spelling of 2066068860 in words is "two billion, sixty-six million, sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 11580 178417 356834 535251 713668 892085 1070502 1784170 2141004 2676255 3568340 5352510 10705020 34434481 68868962 103303443 137737924 172172405 206606886 344344810 413213772 516517215 688689620 1033034430 2066068860