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3030521312 = 257133159569
BaseRepresentation
bin1011010010100010…
…0001010111100000
321211012110102201002
42310220201113200
522201303140222
61220414331132
7135046002050
oct26450412740
97735412632
103030521312
111315717575
12706ab9aa8
13393b0c8a0
1420a6ad560
1512b0c2392
hexb4a215e0

3030521312 has 192 divisors, whose sum is σ = 7722086400. Its totient is φ = 1138544640.

The previous prime is 3030521293. The next prime is 3030521321. The reversal of 3030521312 is 2131250303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5325764 + ... + 5326332.

It is an arithmetic number, because the mean of its divisors is an integer number (40219200).

Almost surely, 23030521312 is an apocalyptic number.

3030521312 is a gapful number since it is divisible by the number (32) 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 3030521312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861043200).

3030521312 is an abundant number, since it is smaller than the sum of its proper divisors (4691565088).

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

3030521312 is a wasteful number, since it uses less digits than its factorization.

3030521312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3030521312 is about 55050.1708625868. The cubic root of 3030521312 is about 1447.1241154481.

Adding to 3030521312 its reverse (2131250303), we get a palindrome (5161771615).

The spelling of 3030521312 in words is "three billion, thirty million, five hundred twenty-one thousand, three hundred twelve".