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203252343130420 = 22510162617156521
BaseRepresentation
bin101110001101101101011111…
…101101100100100100110100
3222122122201211021000112210221
4232031231133231210210310
5203120041244320133140
62000140500514024124
760545332352636443
oct5615553755444464
9878581737015727
10203252343130420
115984291aa128a1
121a9677ba578044
1389547c944446c
1438296745c6d5a
1518770d718d14a
hexb8db5fb64934

203252343130420 has 12 divisors (see below), whose sum is σ = 426829920573924. Its totient is φ = 81300937252160.

The previous prime is 203252343130339. The next prime is 203252343130427. The reversal of 203252343130420 is 24031343252302.

It can be written as a sum of positive squares in 2 ways, for example, as 100870445991184 + 102381897139236 = 10043428^2 + 10118394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203252343130427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081308578241 + ... + 5081308578280.

It is an arithmetic number, because the mean of its divisors is an integer number (35569160047827).

Almost surely, 2203252343130420 is an apocalyptic number.

203252343130420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203252343130420 is an abundant number, since it is smaller than the sum of its proper divisors (223577577443504).

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

203252343130420 is a wasteful number, since it uses less digits than its factorization.

203252343130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162617156530 (or 10162617156528 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 203252343130420 its reverse (24031343252302), we get a palindrome (227283686382722).

The spelling of 203252343130420 in words is "two hundred three trillion, two hundred fifty-two billion, three hundred forty-three million, one hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 10162617156521 20325234313042 40650468626084 50813085782605 101626171565210 203252343130420