Search a number
-
+
30766377888 = 25325359127269
BaseRepresentation
bin11100101001110100…
…011010101110100000
32221102011100221012100
4130221310122232200
51001002143043023
622044530130400
72136263616501
oct345164325640
987364327170
1030766377888
1112058900094
125b67720a00
132b940a543c
1416bc140ba8
15c0105dc43
hex729d1aba0

30766377888 has 288 divisors, whose sum is σ = 91707033600. Its totient is φ = 9777051648.

The previous prime is 30766377847. The next prime is 30766377937. The reversal of 30766377888 is 88877366703.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 114373018 + ... + 114373286.

It is an arithmetic number, because the mean of its divisors is an integer number (318427200).

Almost surely, 230766377888 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 30766377888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45853516800).

30766377888 is an abundant number, since it is smaller than the sum of its proper divisors (60940655712).

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

30766377888 is a wasteful number, since it uses less digits than its factorization.

30766377888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 30766377888 in words is "thirty billion, seven hundred sixty-six million, three hundred seventy-seven thousand, eight hundred eighty-eight".