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30188710663 = 371316228329
BaseRepresentation
bin11100000111011000…
…110010101100000111
32212220220101101201221
4130013120302230013
5443311302220123
621511332501211
72116050543466
oct340730625407
985826341657
1030188710663
1111891816161
125a2617a807
132b014c8a07
14166552c9dd
15bba4a325d
hex707632b07

30188710663 has 8 divisors (see below), whose sum is σ = 31241303280. Its totient is φ = 29148575040.

The previous prime is 30188710649. The next prime is 30188710703. The reversal of 30188710663 is 36601788103.

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 30188710663 - 25 = 30188710631 is a prime.

It is a super-2 number, since 2×301887106632 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30188710463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109318 + ... + 3119011.

It is an arithmetic number, because the mean of its divisors is an integer number (3905162910).

Almost surely, 230188710663 is an apocalyptic number.

30188710663 is a deficient number, since it is larger than the sum of its proper divisors (1052592617).

30188710663 is a wasteful number, since it uses less digits than its factorization.

30188710663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228497.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 30188710663 in words is "thirty billion, one hundred eighty-eight million, seven hundred ten thousand, six hundred sixty-three".

Divisors: 1 37 131 4847 6228329 230448173 815911099 30188710663