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30125155117 = 211523272989
BaseRepresentation
bin11100000011100110…
…010110001100101101
32212202110210102220211
4130003212112030231
5443144014430432
621501142342421
72114346410401
oct340346261455
985673712824
1030125155117
1111859956a12
125a08a2aa11
132ac12a5595
14165ad07101
15bb4aebd47
hex70399632d

30125155117 has 8 divisors (see below), whose sum is σ = 30325913120. Its totient is φ = 29924944560.

The previous prime is 30125155057. The next prime is 30125155147. The reversal of 30125155117 is 71155152103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30125155117 - 27 = 30125154989 is a prime.

It is a super-2 number, since 2×301251551172 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30125155147) 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 7 ways as a sum of consecutive naturals, for example, 26142 + ... + 246847.

It is an arithmetic number, because the mean of its divisors is an integer number (3790739140).

Almost surely, 230125155117 is an apocalyptic number.

It is an amenable number.

30125155117 is a deficient number, since it is larger than the sum of its proper divisors (200758003).

30125155117 is a wasteful number, since it uses less digits than its factorization.

30125155117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273723.

The product of its (nonzero) digits is 5250, while the sum is 31.

The spelling of 30125155117 in words is "thirty billion, one hundred twenty-five million, one hundred fifty-five thousand, one hundred seventeen".

Divisors: 1 211 523 110353 272989 57600679 142773247 30125155117