Search a number
-
+
1030012188 = 223731175813
BaseRepresentation
bin111101011001001…
…011110100011100
32122210011001002120
4331121023310130
54102140342223
6250112422540
734344646662
oct7531136434
92583131076
101030012188
11489462447
12248b47a50
1313551788a
149ab20c32
156065dbe3
hex3d64bd1c

1030012188 has 24 divisors (see below), whose sum is σ = 2436286608. Its totient is φ = 338633856.

The previous prime is 1030012183. The next prime is 1030012189. The reversal of 1030012188 is 8812100301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030012183) 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 7 ways as a sum of consecutive naturals, for example, 587031 + ... + 588782.

It is an arithmetic number, because the mean of its divisors is an integer number (101511942).

Almost surely, 21030012188 is an apocalyptic number.

It is an amenable number.

1030012188 is an abundant number, since it is smaller than the sum of its proper divisors (1406274420).

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

1030012188 is a wasteful number, since it uses less digits than its factorization.

1030012188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175893 (or 1175891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1030012188 is about 32093.8029532182. The cubic root of 1030012188 is about 1009.9056174262.

Adding to 1030012188 its reverse (8812100301), we get a palindrome (9842112489).

The spelling of 1030012188 in words is "one billion, thirty million, twelve thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 1175813 2351626 3527439 4703252 7054878 14109756 85834349 171668698 257503047 343337396 515006094 1030012188