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30139010928 = 24331367173463
BaseRepresentation
bin11100000100011011…
…001100111101110000
32212210102212101112000
4130010123030331300
5443211041322203
621502355334000
72114605236345
oct340433147560
985712771460
1030139010928
111186675aaa4
125a115b1300
132ac41171a0
14165cab27cc
15bb5e374a3
hex7046ccf70

30139010928 has 320 divisors, whose sum is σ = 95307233280. Its totient is φ = 9062710272.

The previous prime is 30139010921. The next prime is 30139010981. The reversal of 30139010928 is 82901093103.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30139010892 and 30139010901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30139010921) 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 63 ways as a sum of consecutive naturals, for example, 65094825 + ... + 65095287.

It is an arithmetic number, because the mean of its divisors is an integer number (297835104).

Almost surely, 230139010928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30139010928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47653616640).

30139010928 is an abundant number, since it is smaller than the sum of its proper divisors (65168222352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30139010928 is a wasteful number, since it uses less digits than its factorization.

30139010928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 30139010928 in words is "thirty billion, one hundred thirty-nine million, ten thousand, nine hundred twenty-eight".