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50020602005 = 5112292850989
BaseRepresentation
bin101110100101011101…
…011101000010010101
311210010000120212021002
4232211131131002111
51304420233231010
634551255033045
73420362046623
oct564535350225
9153100525232
1050020602005
111a239364700
12983b96b785
13494210416a
1425c7374513
15147b5b41a5
hexba575d095

50020602005 has 24 divisors (see below), whose sum is σ = 68252700600. Its totient is φ = 35124172160.

The previous prime is 50020601881. The next prime is 50020602007.

It is a happy number.

50020602005 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 5140603204 + 44879998801 = 71698^2 + 211849^2 .

It is not a de Polignac number, because 50020602005 - 212 = 50020597909 is a prime.

It is a super-2 number, since 2×500206020052 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020602007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407950 + ... + 1443039.

It is an arithmetic number, because the mean of its divisors is an integer number (2843862525).

Almost surely, 250020602005 is an apocalyptic number.

50020602005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50020602005 is a deficient number, since it is larger than the sum of its proper divisors (18232098595).

50020602005 is a wasteful number, since it uses less digits than its factorization.

50020602005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851045 (or 2851034 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 50020602005 in words is "fifty billion, twenty million, six hundred two thousand, five".

Divisors: 1 5 11 29 55 121 145 319 605 1595 3509 17545 2850989 14254945 31360879 82678681 156804395 344969669 413393405 909465491 1724848345 4547327455 10004120401 50020602005