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2180375066689 = 23106878870489
BaseRepresentation
bin11111101110101000011…
…110110011100001000001
321201102221002100121222121
4133232220132303201001
5241210402004113224
64345352300404241
7313345504163041
oct37565036634101
97642832317877
102180375066689
11770767979136
122b26a3246681
1312a7baaca471
14777603dd721
153bab35c1be4
hex1fba87b3841

2180375066689 has 8 divisors (see below), whose sum is σ = 2275387130880. Its totient is φ = 2085380764896.

The previous prime is 2180375066677. The next prime is 2180375066713. The reversal of 2180375066689 is 9866605730812.

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 2180375066689 - 213 = 2180375058497 is a prime.

It is a super-2 number, since 2×21803750666892 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180375066669) 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, 4189444 + ... + 4681045.

It is an arithmetic number, because the mean of its divisors is an integer number (284423391360).

Almost surely, 22180375066689 is an apocalyptic number.

It is an amenable number.

2180375066689 is a deficient number, since it is larger than the sum of its proper divisors (95012064191).

2180375066689 is a wasteful number, since it uses less digits than its factorization.

2180375066689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881199.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 2180375066689 in words is "two trillion, one hundred eighty billion, three hundred seventy-five million, sixty-six thousand, six hundred eighty-nine".

Divisors: 1 23 10687 245801 8870489 204021247 94798915943 2180375066689