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30045575666 = 218397816589
BaseRepresentation
bin11011111110110110…
…110001100111110010
32212112221001101102202
4123332312301213302
5443013131410131
621445220543202
72112362115341
oct337666614762
985487041382
1030045575666
1111818a42777
1259a6251b02
132aaa961752
14165050db58
15bacb2cbcb
hex6fedb19f2

30045575666 has 8 divisors (see below), whose sum is σ = 45070868460. Its totient is φ = 15021952848.

The previous prime is 30045575641. The next prime is 30045575699. The reversal of 30045575666 is 66657554003.

It can be written as a sum of positive squares in 2 ways, for example, as 30027691225 + 17884441 = 173285^2 + 4229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30045575666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371501 + ... + 445088.

Almost surely, 230045575666 is an apocalyptic number.

30045575666 is a deficient number, since it is larger than the sum of its proper divisors (15025292794).

30045575666 is a wasteful number, since it uses less digits than its factorization.

30045575666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834988.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 30045575666 in words is "thirty billion, forty-five million, five hundred seventy-five thousand, six hundred sixty-six".

Divisors: 1 2 18397 36794 816589 1633178 15022787833 30045575666