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1030006505 = 511532291543
BaseRepresentation
bin111101011001001…
…010011011101001
32122210010202022002
4331121022123221
54102140202010
6250112340345
734344624263
oct7531123351
92583122262
101030006505
11489459150
12248b446b5
13135515108
149ab1cb33
156065c1a5
hex3d64a6e9

1030006505 has 32 divisors (see below), whose sum is σ = 1380706560. Its totient is φ = 731278080.

The previous prime is 1030006499. The next prime is 1030006519. The reversal of 1030006505 is 5056000301.

1030006505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1030006505 - 26 = 1030006441 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 666764 + ... + 668306.

It is an arithmetic number, because the mean of its divisors is an integer number (43147080).

Almost surely, 21030006505 is an apocalyptic number.

It is an amenable number.

1030006505 is a deficient number, since it is larger than the sum of its proper divisors (350700055).

1030006505 is a wasteful number, since it uses less digits than its factorization.

1030006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

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

The square root of 1030006505 is about 32093.7144157544. The cubic root of 1030006505 is about 1009.9037600682.

Adding to 1030006505 its reverse (5056000301), we get a palindrome (6086006806).

The spelling of 1030006505 in words is "one billion, thirty million, six thousand, five hundred five".

Divisors: 1 5 11 53 55 229 265 583 1145 1543 2519 2915 7715 12137 12595 16973 60685 81779 84865 133507 353347 408895 667535 899569 1766735 3886817 4497845 18727391 19434085 93636955 206001301 1030006505