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50547542143 = 77221077449
BaseRepresentation
bin101111000100110111…
…100100100001111111
311211110202010012020111
4233010313210201333
51312010132322033
635115441130451
73436421006350
oct570467444177
9154422105214
1050547542143
111a48985161a
129968329a27
1349c732c567
14263733dd27
1514ac99e7cd
hexbc4de487f

50547542143 has 4 divisors (see below), whose sum is σ = 57768619600. Its totient is φ = 43326464688.

The previous prime is 50547542099. The next prime is 50547542159. The reversal of 50547542143 is 34124574505.

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 50547542143 - 213 = 50547533951 is a prime.

It is a super-2 number, since 2×505475421432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50547542096 and 50547542105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50547542743) 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, 3610538718 + ... + 3610538731.

It is an arithmetic number, because the mean of its divisors is an integer number (14442154900).

Almost surely, 250547542143 is an apocalyptic number.

50547542143 is a deficient number, since it is larger than the sum of its proper divisors (7221077457).

50547542143 is an equidigital number, since it uses as much as digits as its factorization.

50547542143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221077456.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 50547542143 in words is "fifty billion, five hundred forty-seven million, five hundred forty-two thousand, one hundred forty-three".

Divisors: 1 7 7221077449 50547542143