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2080745568721 = 46723357190759
BaseRepresentation
bin11110010001110110000…
…110011011100111010001
321100220202201212201222101
4132101312012123213101
5233042331331144341
64231514210440401
7303220546341301
oct36216606334721
97326681781871
102080745568721
117324916a0766
12297319593101
131212a0ca19c1
14729cc665601
15391d1b70831
hex1e47619b9d1

2080745568721 has 8 divisors (see below), whose sum is σ = 2085301333440. Its totient is φ = 2076190233168.

The previous prime is 2080745568689. The next prime is 2080745568757. The reversal of 2080745568721 is 1278655470802.

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 2080745568721 - 25 = 2080745568689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080745568221) 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, 10812340 + ... + 11003098.

It is an arithmetic number, because the mean of its divisors is an integer number (260662666680).

Almost surely, 22080745568721 is an apocalyptic number.

It is an amenable number.

2080745568721 is a deficient number, since it is larger than the sum of its proper divisors (4555764719).

2080745568721 is a wasteful number, since it uses less digits than its factorization.

2080745568721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214583.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 2080745568721 in words is "two trillion, eighty billion, seven hundred forty-five million, five hundred sixty-eight thousand, seven hundred twenty-one".

Divisors: 1 467 23357 190759 10907719 89084453 4455557963 2080745568721