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50168513471 = 188926558239
BaseRepresentation
bin101110101110010001…
…101100001110111111
311210111022220112122112
4232232101230032333
51310221114412341
635014101204235
73424136220446
oct565621541677
9153438815575
1050168513471
111a3048aa78a
12988140067b
13496695153b
1425dcc77d5d
15148957eaeb
hexbae46c3bf

50168513471 has 4 divisors (see below), whose sum is σ = 50195073600. Its totient is φ = 50141953344.

The previous prime is 50168513449. The next prime is 50168513477. The reversal of 50168513471 is 17431586105.

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 50168513471 - 234 = 32988644287 is a prime.

It is a super-4 number, since 4×501685134714 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50168513477) 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, 13277231 + ... + 13281008.

It is an arithmetic number, because the mean of its divisors is an integer number (12548768400).

Almost surely, 250168513471 is an apocalyptic number.

50168513471 is a deficient number, since it is larger than the sum of its proper divisors (26560129).

50168513471 is a wasteful number, since it uses less digits than its factorization.

50168513471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560128.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 50168513471 in words is "fifty billion, one hundred sixty-eight million, five hundred thirteen thousand, four hundred seventy-one".

Divisors: 1 1889 26558239 50168513471