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30794739660 = 223255967113383
BaseRepresentation
bin11100101011100000…
…100110111111001100
32221111010201212020100
4130223200212333030
51001031423132120
622051422051100
72140056653046
oct345340467714
987433655210
1030794739660
1112072911773
125b75119a90
132b99c25859
1416c1c04a96
15c037b2490
hex72b826fcc

30794739660 has 288 divisors, whose sum is σ = 97518919680. Its totient is φ = 7861303296.

The previous prime is 30794739589. The next prime is 30794739667. The reversal of 30794739660 is 6693749703.

It is a junction number, because it is equal to n+sod(n) for n = 30794739597 and 30794739606.

It is not an unprimeable number, because it can be changed into a prime (30794739667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80403829 + ... + 80404211.

It is an arithmetic number, because the mean of its divisors is an integer number (338607360).

Almost surely, 230794739660 is an apocalyptic number.

30794739660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30794739660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48759459840).

30794739660 is an abundant number, since it is smaller than the sum of its proper divisors (66724180020).

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

30794739660 is a wasteful number, since it uses less digits than its factorization.

30794739660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

The spelling of 30794739660 in words is "thirty billion, seven hundred ninety-four million, seven hundred thirty-nine thousand, six hundred sixty".