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2735168081 = 61277161873
BaseRepresentation
bin1010001100000111…
…0101101001010001
321001121200221020112
42203001311221101
521100200334311
61131224051105
7124531354652
oct24301655121
97047627215
102735168081
111183a27298
12644003a95
1334787ab69
141bd389529
151101d028b
hexa3075a51

2735168081 has 8 divisors (see below), whose sum is σ = 2790060264. Its totient is φ = 2680600320.

The previous prime is 2735168071. The next prime is 2735168129. The reversal of 2735168081 is 1808615372.

It can be written as a sum of positive squares in 4 ways, for example, as 259210000 + 2475958081 = 16100^2 + 49759^2 .

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 2735168081 - 26 = 2735168017 is a prime.

It is a super-2 number, since 2×27351680812 = 14962288862642445122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2735168071) 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, 64040 + ... + 97833.

It is an arithmetic number, because the mean of its divisors is an integer number (348757533).

Almost surely, 22735168081 is an apocalyptic number.

It is an amenable number.

2735168081 is a deficient number, since it is larger than the sum of its proper divisors (54892183).

2735168081 is a wasteful number, since it uses less digits than its factorization.

2735168081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162211.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2735168081 is about 52298.8344133978. The cubic root of 2735168081 is about 1398.4963585820.

The spelling of 2735168081 in words is "two billion, seven hundred thirty-five million, one hundred sixty-eight thousand, eighty-one".

Divisors: 1 61 277 16897 161873 9874253 44838821 2735168081