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203012120200 = 23524192422579
BaseRepresentation
bin1011110100010001110…
…1110001111010001000
3201102000021010020121211
42331010131301322020
511311232100321300
6233132410142504
720444554356361
oct2750435617210
9642007106554
10203012120200
117910805a73a
1233418421a34
13161b4388316
149b7c160b68
155432b0e4ba
hex2f44771e88

203012120200 has 48 divisors (see below), whose sum is σ = 473129874000. Its totient is φ = 81011008320.

The previous prime is 203012120083. The next prime is 203012120203. The reversal of 203012120200 is 2021210302.

203012120200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203012120203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1127490 + ... + 1295089.

It is an arithmetic number, because the mean of its divisors is an integer number (9856872375).

Almost surely, 2203012120200 is an apocalyptic number.

203012120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203012120200 is an abundant number, since it is smaller than the sum of its proper divisors (270117753800).

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

203012120200 is a wasteful number, since it uses less digits than its factorization.

203012120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423014 (or 2423005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 203012120200 its reverse (2021210302), we get a palindrome (205033330502).

The spelling of 203012120200 in words is "two hundred three billion, twelve million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 419 838 1676 2095 3352 4190 8380 10475 16760 20950 41900 83800 2422579 4845158 9690316 12112895 19380632 24225790 48451580 60564475 96903160 121128950 242257900 484515800 1015060601 2030121202 4060242404 5075303005 8120484808 10150606010 20301212020 25376515025 40602424040 50753030050 101506060100 203012120200