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50011505011 = 133847038847
BaseRepresentation
bin101110100100111010…
…110000000101110011
311210002101110200112101
4232210322300011303
51304410421130021
634550332041231
73420221531026
oct564472600563
9153071420471
1050011505011
111a234210a26
129838903217
13494026a620
1425c60871bd
15147a8b8a91
hexba4eb0173

50011505011 has 4 divisors (see below), whose sum is σ = 53858543872. Its totient is φ = 46164466152.

The previous prime is 50011505009. The next prime is 50011505069. The reversal of 50011505011 is 11050511005.

It is a happy number.

50011505011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50011505011 - 21 = 50011505009 is a prime.

It is a super-2 number, since 2×500115050112 (a number of 22 digits) contains 22 as substring.

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 50011505011.

It is not an unprimeable number, because it can be changed into a prime (50011505311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923519411 + ... + 1923519436.

It is an arithmetic number, because the mean of its divisors is an integer number (13464635968).

Almost surely, 250011505011 is an apocalyptic number.

50011505011 is a deficient number, since it is larger than the sum of its proper divisors (3847038861).

50011505011 is a wasteful number, since it uses less digits than its factorization.

50011505011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847038860.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 50011505011 in words is "fifty billion, eleven million, five hundred five thousand, eleven".

Divisors: 1 13 3847038847 50011505011