Search a number
-
+
203200312030000 = 245420320031203
BaseRepresentation
bin101110001100111101000010…
…011010101011001100110000
3222122110202112010022210012121
4232030331002122223030300
5203113213214334430000
62000100533515004024
760541511105611225
oct5614750232531460
9878422463283177
10203200312030000
115982284a7a0a5a
121a9596b9439614
13894c92695b58c
143826d3a22394c
151875a8e340b1a
hexb8cf426ab330

203200312030000 has 50 divisors (see below), whose sum is σ = 491968275480044. Its totient is φ = 81280124808000.

The previous prime is 203200312029971. The next prime is 203200312030007. The reversal of 203200312030000 is 30213002302.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (203200312030007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10160005602 + ... + 10160025601.

Almost surely, 2203200312030000 is an apocalyptic number.

203200312030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203200312030000 is an abundant number, since it is smaller than the sum of its proper divisors (288767963450044).

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

203200312030000 is an equidigital number, since it uses as much as digits as its factorization.

203200312030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20320031231 (or 20320031210 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 203200312030000 its reverse (30213002302), we get a palindrome (203230525032302).

The spelling of 203200312030000 in words is "two hundred three trillion, two hundred billion, three hundred twelve million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 20320031203 40640062406 81280124812 101600156015 162560249624 203200312030 325120499248 406400624060 508000780075 812801248120 1016001560150 1625602496240 2032003120300 2540003900375 4064006240600 5080007800750 8128012481200 10160015601500 12700019501875 20320031203000 25400039003750 40640062406000 50800078007500 101600156015000 203200312030000