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30544832864 = 2572132731579
BaseRepresentation
bin11100011100100111…
…010010100101100000
32220211201111021120002
4130130213102211200
51000023434122424
622010533435132
72130633536600
oct343447224540
986751437502
1030544832864
1111a54842027
125b0549baa8
132b5a216700
14169a950c00
15bdb89acae
hex71c9d2960

30544832864 has 216 divisors, whose sum is σ = 76834328760. Its totient is φ = 11910592512.

The previous prime is 30544832863. The next prime is 30544832891. The reversal of 30544832864 is 46823844503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30544832863) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19343627 + ... + 19345205.

It is an arithmetic number, because the mean of its divisors is an integer number (355714485).

Almost surely, 230544832864 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 30544832864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38417164380).

30544832864 is an abundant number, since it is smaller than the sum of its proper divisors (46289495896).

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

30544832864 is a wasteful number, since it uses less digits than its factorization.

30544832864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 30544832864 in words is "thirty billion, five hundred forty-four million, eight hundred thirty-two thousand, eight hundred sixty-four".