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30000104425 = 521789793129
BaseRepresentation
bin11011111100001001…
…010100001111101001
32212102202111012121201
4123330021110033221
5442420011320200
621440514204201
72111300452204
oct337411241751
985382435551
1030000104425
11117a5305535
125992b83661
132aa14007a5
14164847493b
15ba8b49c6a
hex6fc2543e9

30000104425 has 24 divisors (see below), whose sum is σ = 39830988600. Its totient is φ = 22334484480.

The previous prime is 30000104413. The next prime is 30000104443. The reversal of 30000104425 is 52440100003.

It can be written as a sum of positive squares in 12 ways, for example, as 14945796009 + 15054308416 = 122253^2 + 122696^2 .

It is not a de Polignac number, because 30000104425 - 227 = 29865886697 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 358740 + ... + 434389.

It is an arithmetic number, because the mean of its divisors is an integer number (1659624525).

Almost surely, 230000104425 is an apocalyptic number.

It is an amenable number.

30000104425 is a deficient number, since it is larger than the sum of its proper divisors (9830884175).

30000104425 is a wasteful number, since it uses less digits than its factorization.

30000104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793245 (or 793240 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30000104425 its reverse (52440100003), we get a palindrome (82440204428).

The spelling of 30000104425 in words is "thirty billion, one hundred four thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 89 425 445 1513 2225 7565 37825 793129 3965645 13483193 19828225 67415965 70588481 337079825 352942405 1200004177 1764712025 6000020885 30000104425