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1030443012 = 223377312343
BaseRepresentation
bin111101011010110…
…101000000000100
32122210221221002000
4331122311000010
54102243134022
6250125545300
734351423014
oct7532650004
92583857060
101030443012
114897270a5
12249115230
131356389c1
149abd3c44
15606e66ac
hex3d6b5004

1030443012 has 48 divisors (see below), whose sum is σ = 2675191680. Its totient is φ = 343008864.

The previous prime is 1030442999. The next prime is 1030443059. The reversal of 1030443012 is 2103440301.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 77313 + ... + 89655.

It is an arithmetic number, because the mean of its divisors is an integer number (55733160).

Almost surely, 21030443012 is an apocalyptic number.

1030443012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030443012 is an abundant number, since it is smaller than the sum of its proper divisors (1644748668).

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

1030443012 is a wasteful number, since it uses less digits than its factorization.

1030443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129 (or 13121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1030443012 is about 32100.5142014890. The cubic root of 1030443012 is about 1010.0464024690.

Adding to 1030443012 its reverse (2103440301), we get a palindrome (3133883313).

The spelling of 1030443012 in words is "one billion, thirty million, four hundred forty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 773 1546 2319 3092 4638 6957 9276 12343 13914 20871 24686 27828 37029 41742 49372 74058 83484 111087 148116 222174 333261 444348 666522 1333044 9541139 19082278 28623417 38164556 57246834 85870251 114493668 171740502 257610753 343481004 515221506 1030443012