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30013626425 = 522115689787
BaseRepresentation
bin11011111100111100…
…111001100000111001
32212110200221012022112
4123330330321200321
5442431442021200
621442120102105
72111523421016
oct337474714071
985420835275
1030013626425
1111801a00842
125997604935
132aa4156483
14164a19470d
15ba9e1b535
hex6fcf39839

30013626425 has 12 divisors (see below), whose sum is σ = 37393286736. Its totient is φ = 23897101200.

The previous prime is 30013626389. The next prime is 30013626427. The reversal of 30013626425 is 52462631003.

It is not a de Polignac number, because 30013626425 - 28 = 30013626169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30013626391 and 30013626400.

It is not an unprimeable number, because it can be changed into a prime (30013626427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2839619 + ... + 2850168.

It is an arithmetic number, because the mean of its divisors is an integer number (3116107228).

Almost surely, 230013626425 is an apocalyptic number.

It is an amenable number.

30013626425 is a deficient number, since it is larger than the sum of its proper divisors (7379660311).

30013626425 is a wasteful number, since it uses less digits than its factorization.

30013626425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690008 (or 5690003 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 30013626425 in words is "thirty billion, thirteen million, six hundred twenty-six thousand, four hundred twenty-five".

Divisors: 1 5 25 211 1055 5275 5689787 28448935 142244675 1200545057 6002725285 30013626425