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30883075271 = 38979390939
BaseRepresentation
bin11100110000110001…
…100101010011000111
32221201021221202220122
4130300301211103013
51001222031402041
622104255252155
72142211544216
oct346061452307
987637852818
1030883075271
1112108766604
125b9a81a05b
132bb2314049
1416cd83b07d
15c0b410c4b
hex730c654c7

30883075271 has 4 divisors (see below), whose sum is σ = 30962466600. Its totient is φ = 30803683944.

The previous prime is 30883075253. The next prime is 30883075273. The reversal of 30883075271 is 17257038803.

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 30883075271 - 214 = 30883058887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30883075273) 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 3 ways as a sum of consecutive naturals, for example, 39695081 + ... + 39695858.

It is an arithmetic number, because the mean of its divisors is an integer number (7740616650).

Almost surely, 230883075271 is an apocalyptic number.

30883075271 is a deficient number, since it is larger than the sum of its proper divisors (79391329).

30883075271 is an equidigital number, since it uses as much as digits as its factorization.

30883075271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79391328.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 30883075271 in words is "thirty billion, eight hundred eighty-three million, seventy-five thousand, two hundred seventy-one".

Divisors: 1 389 79390939 30883075271