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50500550500 = 2253757313337
BaseRepresentation
bin101111000010000100…
…010011111101100100
311211100110200202211021
4233002010103331210
51311411120104000
635111042020524
73435310411441
oct570204237544
9154313622737
1050500550500
111a465276054
129954647744
1349ba68855a
142630dca9c8
1514a87bb11a
hexbc2113f64

50500550500 has 48 divisors (see below), whose sum is σ = 110316037104. Its totient is φ = 20196038400.

The previous prime is 50500550483. The next prime is 50500550519. The reversal of 50500550500 is 505500505.

It can be written as a sum of positive squares in 8 ways, for example, as 5917917184 + 44582633316 = 76928^2 + 211146^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 3779832 + ... + 3793168.

It is an arithmetic number, because the mean of its divisors is an integer number (2298250773).

Almost surely, 250500550500 is an apocalyptic number.

50500550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50500550500 is an abundant number, since it is smaller than the sum of its proper divisors (59815486604).

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

50500550500 is a wasteful number, since it uses less digits than its factorization.

50500550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20929 (or 20917 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 50500550500 in words is "fifty billion, five hundred million, five hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 7573 13337 15146 26674 30292 37865 53348 66685 75730 133370 151460 189325 266740 333425 378650 666850 757300 946625 1333700 1667125 1893250 3334250 3786500 6668500 101001101 202002202 404004404 505005505 1010011010 2020022020 2525027525 5050055050 10100110100 12625137625 25250275250 50500550500