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2055005000 = 2354411001
BaseRepresentation
bin111101001111100…
…1110001101001000
312022012212001220022
41322133032031020
513202040130000
6535525520012
7101632153136
oct17237161510
95265761808
102055005000
11964aa6744
12494273008
132699958b9
14156cd6756
15c062a585
hex7a7ce348

2055005000 has 40 divisors (see below), whose sum is σ = 4814888430. Its totient is φ = 822000000.

The previous prime is 2055004997. The next prime is 2055005011. The reversal of 2055005000 is 5005502.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 60310756 + 1994694244 = 7766^2 + 44662^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2055005000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 200501 + ... + 210500.

Almost surely, 22055005000 is an apocalyptic number.

2055005000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055005000 is an abundant number, since it is smaller than the sum of its proper divisors (2759883430).

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

2055005000 is an equidigital number, since it uses as much as digits as its factorization.

2055005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411027 (or 411008 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 2055005000 is about 45332.1629750887. The cubic root of 2055005000 is about 1271.3670773007.

The spelling of 2055005000 in words is "two billion, fifty-five million, five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 411001 822002 1644004 2055005 3288008 4110010 8220020 10275025 16440040 20550050 41100100 51375125 82200200 102750250 205500500 256875625 411001000 513751250 1027502500 2055005000