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6750774145 = 52131763337
BaseRepresentation
bin1100100100110000…
…01010001110000001
3122102110202212012001
412102120022032001
5102311144233040
63033512304001
7326201430163
oct62230121601
918373685161
106750774145
1129546aa595
1213849a2001
138377a4a1b
14480802933
152979d959a
hex19260a381

6750774145 has 8 divisors (see below), whose sum is σ = 8101436904. Its totient is φ = 5400280704.

The previous prime is 6750774143. The next prime is 6750774203. The reversal of 6750774145 is 5414770576.

It can be written as a sum of positive squares in 4 ways, for example, as 2059072129 + 4691702016 = 45377^2 + 68496^2 .

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 6750774145 - 21 = 6750774143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6750774095 and 6750774104.

It is not an unprimeable number, because it can be changed into a prime (6750774143) 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, 74917 + ... + 138253.

It is an arithmetic number, because the mean of its divisors is an integer number (1012679613).

Almost surely, 26750774145 is an apocalyptic number.

It is an amenable number.

6750774145 is a deficient number, since it is larger than the sum of its proper divisors (1350662759).

6750774145 is a wasteful number, since it uses less digits than its factorization.

6750774145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84659.

The product of its (nonzero) digits is 823200, while the sum is 46.

The square root of 6750774145 is about 82163.0947871366. The cubic root of 6750774145 is about 1889.9538210865.

The spelling of 6750774145 in words is "six billion, seven hundred fifty million, seven hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 5 21317 63337 106585 316685 1350154829 6750774145