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50050500505 = 510010100101
BaseRepresentation
bin101110100111001111…
…100000011110011001
311210012002211212021221
4232213033200132121
51310000412004010
634554243532041
73421204143355
oct564717403631
9153162755257
1050050500505
111a254225905
12984998a021
134948371b95
1425cb318465
15147e01cdda
hexba73e0799

50050500505 has 4 divisors (see below), whose sum is σ = 60060600612. Its totient is φ = 40040400400.

The previous prime is 50050500499. The next prime is 50050500589. The reversal of 50050500505 is 50500505005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50500505005 = 510100101001.

It can be written as a sum of positive squares in 2 ways, for example, as 35018759689 + 15031740816 = 187133^2 + 122604^2 .

It is not a de Polignac number, because 50050500505 - 23 = 50050500497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50050500505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005050046 + ... + 5005050055.

It is an arithmetic number, because the mean of its divisors is an integer number (15015150153).

Almost surely, 250050500505 is an apocalyptic number.

It is an amenable number.

50050500505 is a deficient number, since it is larger than the sum of its proper divisors (10010100107).

50050500505 is a wasteful number, since it uses less digits than its factorization.

50050500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010100106.

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

The spelling of 50050500505 in words is "fifty billion, fifty million, five hundred thousand, five hundred five".

Divisors: 1 5 10010100101 50050500505