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30982046171 = 191630634009
BaseRepresentation
bin11100110110101011…
…001000000111011011
32221222012012000110112
4130312223020013123
51001422400434141
622122152434535
72144523022136
oct346653100733
987865160415
1030982046171
111215961493a
1260079a8a4b
132bc99872cb
1416dca4121d
15c14e607eb
hex736ac81db

30982046171 has 4 divisors (see below), whose sum is σ = 32612680200. Its totient is φ = 29351412144.

The previous prime is 30982046167. The next prime is 30982046239. The reversal of 30982046171 is 17164028903.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30982046171 - 22 = 30982046167 is a prime.

It is a super-2 number, since 2×309820461712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30982046371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815316986 + ... + 815317023.

It is an arithmetic number, because the mean of its divisors is an integer number (8153170050).

Almost surely, 230982046171 is an apocalyptic number.

30982046171 is a deficient number, since it is larger than the sum of its proper divisors (1630634029).

30982046171 is a wasteful number, since it uses less digits than its factorization.

30982046171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630634028.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 30982046171 in words is "thirty billion, nine hundred eighty-two million, forty-six thousand, one hundred seventy-one".

Divisors: 1 19 1630634009 30982046171