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50005050505 = 510181982321
BaseRepresentation
bin101110100100100010…
…001000010010001001
311210001221022202121121
4232210202020102021
51304402243104010
634545541435241
73420112626154
oct564442102211
9153057282547
1050005050505
111a230602623
12983670bb21
13493bb1a7a7
1425c5286c9b
15147a0413da
hexba4888489

50005050505 has 8 divisors (see below), whose sum is σ = 60012015624. Its totient is φ = 40000070400.

The previous prime is 50005050463. The next prime is 50005050509. The reversal of 50005050505 is 50505050005.

It can be written as a sum of positive squares in 4 ways, for example, as 1239603264 + 48765447241 = 35208^2 + 220829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50005050505 - 231 = 47857566857 is a prime.

It is a Duffinian number.

50005050505 is a modest number, since divided by 50505 gives 50005 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 50005050505.

It is not an unprimeable number, because it can be changed into a prime (50005050509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 440256 + ... + 542065.

It is an arithmetic number, because the mean of its divisors is an integer number (7501501953).

Almost surely, 250005050505 is an apocalyptic number.

It is an amenable number.

50005050505 is a deficient number, since it is larger than the sum of its proper divisors (10006965119).

50005050505 is a wasteful number, since it uses less digits than its factorization.

50005050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992507.

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

It can be divided in two parts, 5000 and 5050505, that added together give a palindrome (5055505).

The spelling of 50005050505 in words is "fifty billion, five million, fifty thousand, five hundred five".

Divisors: 1 5 10181 50905 982321 4911605 10001010101 50005050505