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60306668645 = 512061333729
BaseRepresentation
bin111000001010100011…
…101011110001100101
312202122212122012001012
4320022203223301211
51442002001344040
643412101112005
74233312140246
oct701243536145
9182585565035
1060306668645
11236375a6823
12b8306b8605
1358c1151422
142cc14c0ccd
15187e62c865
hexe0a8ebc65

60306668645 has 4 divisors (see below), whose sum is σ = 72368002380. Its totient is φ = 48245334912.

The previous prime is 60306668641. The next prime is 60306668647. The reversal of 60306668645 is 54686660306.

60306668645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54686660306 = 227343330153.

It can be written as a sum of positive squares in 2 ways, for example, as 39540129409 + 20766539236 = 198847^2 + 144106^2 .

It is a cyclic number.

It is not a de Polignac number, because 60306668645 - 22 = 60306668641 is a prime.

It is a super-2 number, since 2×603066686452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60306668593 and 60306668602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60306668641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030666860 + ... + 6030666869.

It is an arithmetic number, because the mean of its divisors is an integer number (18092000595).

Almost surely, 260306668645 is an apocalyptic number.

It is an amenable number.

60306668645 is a deficient number, since it is larger than the sum of its proper divisors (12061333735).

60306668645 is a wasteful number, since it uses less digits than its factorization.

60306668645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12061333734.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 60306668645 in words is "sixty billion, three hundred six million, six hundred sixty-eight thousand, six hundred forty-five".

Divisors: 1 5 12061333729 60306668645