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50525787257 = 11231574492833
BaseRepresentation
bin101111000011100100…
…100101010001111001
311211102020011221010222
4233003210211101321
51311434100143012
635113342545425
73436035051131
oct570344452171
9154366157128
1050525787257
111a478542880
129960b98275
1349c298344a
1426344b9ac1
1514aab03972
hexbc3925479

50525787257 has 32 divisors (see below), whose sum is σ = 58031251200. Its totient is φ = 43543019520.

The previous prime is 50525787241. The next prime is 50525787331. The reversal of 50525787257 is 75278752505.

It is a happy number.

50525787257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50525787257 - 24 = 50525787241 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50525787199 and 50525787208.

It is not an unprimeable number, because it can be changed into a prime (50525777257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17833313 + ... + 17836145.

It is an arithmetic number, because the mean of its divisors is an integer number (1813476600).

Almost surely, 250525787257 is an apocalyptic number.

It is an amenable number.

50525787257 is a deficient number, since it is larger than the sum of its proper divisors (7505463943).

50525787257 is a wasteful number, since it uses less digits than its factorization.

50525787257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 6860000, while the sum is 53.

The spelling of 50525787257 in words is "fifty billion, five hundred twenty-five million, seven hundred eighty-seven thousand, two hundred fifty-seven".

Divisors: 1 11 23 157 253 449 1727 2833 3611 4939 10327 31163 39721 65159 70493 113597 444781 716749 775423 1272017 1621339 4892591 10229963 13992187 17834729 29256391 112529593 199706669 321820301 2196773359 4593253387 50525787257