Search a number
-
+
20403103300 = 22521427142979
BaseRepresentation
bin10011000000000111…
…101010011001000100
31221122221001001000121
4103000013222121010
5313241143301200
613212325151324
71321415342116
oct230007523104
957587031017
1020403103300
118720024548
123b54b5b544
131c020648b8
14db7a573b6
157e6343e1a
hex4c01ea644

20403103300 has 36 divisors (see below), whose sum is σ = 44306070480. Its totient is φ = 8155465120.

The previous prime is 20403103297. The next prime is 20403103321. The reversal of 20403103300 is 330130402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71211 + ... + 214189.

It is an arithmetic number, because the mean of its divisors is an integer number (1230724180).

Almost surely, 220403103300 is an apocalyptic number.

20403103300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20403103300 is an abundant number, since it is smaller than the sum of its proper divisors (23902967180).

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

20403103300 is a wasteful number, since it uses less digits than its factorization.

20403103300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144420 (or 144413 counting only the distinct ones).

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

Adding to 20403103300 its reverse (330130402), we get a palindrome (20733233702).

The spelling of 20403103300 in words is "twenty billion, four hundred three million, one hundred three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1427 2854 5708 7135 14270 28540 35675 71350 142700 142979 285958 571916 714895 1429790 2859580 3574475 7148950 14297900 204031033 408062066 816124132 1020155165 2040310330 4080620660 5100775825 10201551650 20403103300