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30082587173 is a prime number
BaseRepresentation
bin11100000001000011…
…111101101000100101
32212122111200202200022
4130001003331220211
5443102120242143
621453022124525
72113321525532
oct340103755045
985574622608
1030082587173
1111837921aa1
1259b6720745
132ab551cc52
1416553c5d89
15bb0ede268
hex7010fda25

30082587173 has 2 divisors, whose sum is σ = 30082587174. Its totient is φ = 30082587172.

The previous prime is 30082587169. The next prime is 30082587191. The reversal of 30082587173 is 37178528003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16519189729 + 13563397444 = 128527^2 + 116462^2 .

It is a cyclic number.

It is not a de Polignac number, because 30082587173 - 22 = 30082587169 is a prime.

It is a super-2 number, since 2×300825871732 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30082587113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15041293586 + 15041293587.

It is an arithmetic number, because the mean of its divisors is an integer number (15041293587).

Almost surely, 230082587173 is an apocalyptic number.

It is an amenable number.

30082587173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30082587173 is an equidigital number, since it uses as much as digits as its factorization.

30082587173 is an evil number, because the sum of its binary digits is even.

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

The spelling of 30082587173 in words is "thirty billion, eighty-two million, five hundred eighty-seven thousand, one hundred seventy-three".