Search a number
-
+
50500505505 = 3510133333667
BaseRepresentation
bin101111000010000100…
…001000111110100001
311211100110121111002210
4233002010020332201
51311411112134010
635111041032333
73435310133322
oct570204107641
9154313544083
1050500505505
111a46524526a
1299546256a9
1349ba670c28
142630db8449
1514a87acb20
hexbc2108fa1

50500505505 has 16 divisors (see below), whose sum is σ = 81600819264. Its totient is φ = 26666932800.

The previous prime is 50500505501. The next prime is 50500505509. The reversal of 50500505505 is 50550500505.

It is an interprime number because it is at equal distance from previous prime (50500505501) and next prime (50500505509).

It is not a de Polignac number, because 50500505505 - 22 = 50500505501 is a prime.

50500505505 is a modest number, since divided by 505505 gives 50500 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50500505501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16665319 + ... + 16668348.

It is an arithmetic number, because the mean of its divisors is an integer number (5100051204).

Almost surely, 250500505505 is an apocalyptic number.

It is an amenable number.

50500505505 is a deficient number, since it is larger than the sum of its proper divisors (31100313759).

50500505505 is a wasteful number, since it uses less digits than its factorization.

50500505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333776.

The product of its (nonzero) digits is 15625, while the sum is 30.

Subtracting 50500505505 from its reverse (50550500505), we obtain a triangular number (49995000 = T9999).

The spelling of 50500505505 in words is "fifty billion, five hundred million, five hundred five thousand, five hundred five".

Divisors: 1 3 5 15 101 303 505 1515 33333667 100001001 166668335 500005005 3366700367 10100101101 16833501835 50500505505