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1030305512 = 23400132189
BaseRepresentation
bin111101011010010…
…011011011101000
32122210200221110102
4331122103123220
54102224234022
6250123004532
734350311105
oct7532233350
92583627412
101030305512
11489642865
12249069748
131355bb242
149ab99aac
15606baa92
hex3d6936e8

1030305512 has 16 divisors (see below), whose sum is σ = 1932365700. Its totient is φ = 515008000.

The previous prime is 1030305511. The next prime is 1030305517. The reversal of 1030305512 is 2155030301.

It can be written as a sum of positive squares in 2 ways, for example, as 879359716 + 150945796 = 29654^2 + 12286^2 .

It is not an unprimeable number, because it can be changed into a prime (1030305511) 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 3 ways as a sum of consecutive naturals, for example, 15914 + ... + 48102.

Almost surely, 21030305512 is an apocalyptic number.

It is an amenable number.

1030305512 is a deficient number, since it is larger than the sum of its proper divisors (902060188).

1030305512 is a wasteful number, since it uses less digits than its factorization.

1030305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36196 (or 36192 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1030305512 is about 32098.3724197972. The cubic root of 1030305512 is about 1010.0014743631.

Adding to 1030305512 its reverse (2155030301), we get a palindrome (3185335813).

The spelling of 1030305512 in words is "one billion, thirty million, three hundred five thousand, five hundred twelve".

Divisors: 1 2 4 8 4001 8002 16004 32008 32189 64378 128756 257512 128788189 257576378 515152756 1030305512