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5205056168 = 2313157318781
BaseRepresentation
bin1001101100011111…
…01101101010101000
3111102202020020202002
410312033231222220
541124443244133
62220254230132
7242662150604
oct46617555250
914382206662
105205056168
112231133814
1210131b5348
1364c4963c0
143753dc504
15206e5dce8
hex1363edaa8

5205056168 has 32 divisors (see below), whose sum is σ = 10577186760. Its totient is φ = 2387024640.

The previous prime is 5205056117. The next prime is 5205056177. The reversal of 5205056168 is 8616505025.

It can be written as a sum of positive squares in 4 ways, for example, as 1759131364 + 3445924804 = 41942^2 + 58702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143063 + ... + 175718.

Almost surely, 25205056168 is an apocalyptic number.

It is an amenable number.

5205056168 is an abundant number, since it is smaller than the sum of its proper divisors (5372130592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5205056168 is a wasteful number, since it uses less digits than its factorization.

5205056168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318957 (or 318953 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 5205056168 is about 72146.0752085656. The cubic root of 5205056168 is about 1733.0395480720.

The spelling of 5205056168 in words is "five billion, two hundred five million, fifty-six thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 157 314 628 1256 2041 4082 8164 16328 318781 637562 1275124 2550248 4144153 8288306 16576612 33153224 50048617 100097234 200194468 400388936 650632021 1301264042 2602528084 5205056168