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203630203164 = 22360617279941
BaseRepresentation
bin1011110110100101001…
…1100101000100011100
3201110121100011010001110
42331221103211010130
511314013313000124
6233314005542020
720466101111463
oct2755123450434
9643540133043
10203630203164
11793a4a39603
123356b414910
131628244589b
149bda2939da
15546c000029
hex2f694e511c

203630203164 has 24 divisors (see below), whose sum is σ = 475146676368. Its totient is φ = 67875372160.

The previous prime is 203630203163. The next prime is 203630203181. The reversal of 203630203164 is 461302036302.

203630203164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2036302031642 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203630203163) 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 7 ways as a sum of consecutive naturals, for example, 587434 + ... + 867374.

It is an arithmetic number, because the mean of its divisors is an integer number (19797778182).

Almost surely, 2203630203164 is an apocalyptic number.

It is an amenable number.

203630203164 is an abundant number, since it is smaller than the sum of its proper divisors (271516473204).

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

203630203164 is a wasteful number, since it uses less digits than its factorization.

203630203164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340565 (or 340563 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 203630203164 its reverse (461302036302), we get a palindrome (664932239466).

The spelling of 203630203164 in words is "two hundred three billion, six hundred thirty million, two hundred three thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 60617 121234 181851 242468 279941 363702 559882 727404 839823 1119764 1679646 3359292 16969183597 33938367194 50907550791 67876734388 101815101582 203630203164