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203103300232 = 23797131285421
BaseRepresentation
bin1011110100100111100…
…1100110101010001000
3201102020121200200010001
42331021321212222020
511311423421101412
6233145424332344
720450042365360
oct2751171465210
9642217620101
10203103300232
1179154577638
1233442a740b4
13161ca2313c1
149b8a2d79a0
15543ab20957
hex2f49e66a88

203103300232 has 64 divisors (see below), whose sum is σ = 443066279040. Its totient is φ = 85488998400.

The previous prime is 203103300221. The next prime is 203103300289. The reversal of 203103300232 is 232003301302.

It is a happy number.

203103300232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568882 + ... + 854302.

It is an arithmetic number, because the mean of its divisors is an integer number (6922910610).

Almost surely, 2203103300232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203103300232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221533139520).

203103300232 is an abundant number, since it is smaller than the sum of its proper divisors (239962978808).

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

203103300232 is a wasteful number, since it uses less digits than its factorization.

203103300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285662 (or 285658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 203103300232 its reverse (232003301302), we get a palindrome (435106601534).

The spelling of 203103300232 in words is "two hundred three billion, one hundred three million, three hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 97 131 194 262 388 524 679 776 917 1048 1358 1834 2716 3668 5432 7336 12707 25414 50828 88949 101656 177898 285421 355796 570842 711592 1141684 1997947 2283368 3995894 7991788 15983576 27685837 37390151 55371674 74780302 110743348 149560604 193800859 221486696 261731057 299121208 387601718 523462114 775203436 1046924228 1550406872 2093848456 3626844647 7253689294 14507378588 25387912529 29014757176 50775825058 101551650116 203103300232