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50005061111 = 172941474183
BaseRepresentation
bin101110100100100010…
…001010110111110111
311210001221100022011102
4232210202022313313
51304402243423421
634545542000315
73420113002115
oct564442126767
9153057308142
1050005061111
111a23060a595
12983671609b
13493bb22575
1425c528aab5
15147a04460b
hexba488adf7

50005061111 has 4 divisors (see below), whose sum is σ = 52946535312. Its totient is φ = 47063586912.

The previous prime is 50005061053. The next prime is 50005061149. The reversal of 50005061111 is 11116050005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11116050005 = 52223210001.

It is a cyclic number.

It is not a de Polignac number, because 50005061111 - 218 = 50004798967 is a prime.

It is a super-2 number, since 2×500050611112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005361111) 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, 1470737075 + ... + 1470737108.

It is an arithmetic number, because the mean of its divisors is an integer number (13236633828).

Almost surely, 250005061111 is an apocalyptic number.

50005061111 is a deficient number, since it is larger than the sum of its proper divisors (2941474201).

50005061111 is a wasteful number, since it uses less digits than its factorization.

50005061111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941474200.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 50005061111 in words is "fifty billion, five million, sixty-one thousand, one hundred eleven".

Divisors: 1 17 2941474183 50005061111