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30204738648 = 233672931823
BaseRepresentation
bin11100001000010101…
…111011110001011000
32212222000112201000000
4130020111323301120
5443324403114043
621513104213000
72116334020350
oct341025736130
985860481000
1030204738648
111189a873227
125a2b60a160
132b0491b226
141667701b60
15bbbabc2d3
hex70857bc58

30204738648 has 448 divisors, whose sum is σ = 103752806400. Its totient is φ = 8053758720.

The previous prime is 30204738647. The next prime is 30204738667. The reversal of 30204738648 is 84683740203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204738643) 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 111 ways as a sum of consecutive naturals, for example, 36700365 + ... + 36701187.

Almost surely, 230204738648 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 30204738648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51876403200).

30204738648 is an abundant number, since it is smaller than the sum of its proper divisors (73548067752).

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

30204738648 is a wasteful number, since it uses less digits than its factorization.

30204738648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 30204738648 in words is "thirty billion, two hundred four million, seven hundred thirty-eight thousand, six hundred forty-eight".