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30006710506 = 2175189170081
BaseRepresentation
bin11011111100100010…
…100001000011101010
32212110012220211110101
4123330202201003222
5442423204214011
621441311540014
72111410555003
oct337442410352
985405824411
1030006710506
11117a9007803
12599522a60a
132aa28a4606
1416492b41aa
15ba95022c1
hex6fc8a10ea

30006710506 has 16 divisors (see below), whose sum is σ = 47667181320. Its totient is φ = 14118000640.

The previous prime is 30006710491. The next prime is 30006710527. The reversal of 30006710506 is 60501760003.

It can be written as a sum of positive squares in 4 ways, for example, as 25549145281 + 4457565225 = 159841^2 + 66765^2 .

It is an unprimeable number.

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, 91386 + ... + 261466.

Almost surely, 230006710506 is an apocalyptic number.

30006710506 is a deficient number, since it is larger than the sum of its proper divisors (17660470814).

30006710506 is a wasteful number, since it uses less digits than its factorization.

30006710506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175289.

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 30006710506 in words is "thirty billion, six million, seven hundred ten thousand, five hundred six".

Divisors: 1 2 17 34 5189 10378 88213 170081 176426 340162 2891377 5782754 882550309 1765100618 15003355253 30006710506