Search a number
-
+
50000660055 = 3257681144659
BaseRepresentation
bin101110100100010001…
…011000011001010111
311210001122001201001100
4232210101120121113
51304400132110210
634545303401143
73420030412053
oct564421303127
9153048051040
1050000660055
111a229083a55
1298351531b3
13493ac412a8
1425c4862c63
1514799755c0
hexba4458657

50000660055 has 24 divisors (see below), whose sum is σ = 86679693360. Its totient is φ = 26663362560.

The previous prime is 50000660051. The next prime is 50000660063. The reversal of 50000660055 is 55006600005.

50000660055 is a `hidden beast` number, since 5 + 0 + 0 + 0 + 0 + 6 + 600 + 55 = 666.

It is not a de Polignac number, because 50000660055 - 22 = 50000660051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000660051) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 273316 + ... + 417974.

It is an arithmetic number, because the mean of its divisors is an integer number (3611653890).

Almost surely, 250000660055 is an apocalyptic number.

50000660055 is a deficient number, since it is larger than the sum of its proper divisors (36679033305).

50000660055 is a wasteful number, since it uses less digits than its factorization.

50000660055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152351 (or 152348 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 50000660055 in words is "fifty billion, six hundred sixty thousand, fifty-five".

Divisors: 1 3 5 9 15 45 7681 23043 38405 69129 115215 144659 345645 433977 723295 1301931 2169885 6509655 1111125779 3333377337 5555628895 10000132011 16666886685 50000660055