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5385128208 = 243112190171
BaseRepresentation
bin1010000001111101…
…01000100100010000
3111220022001212010220
411000332220210100
542012043100313
62250205553040
7250306556145
oct50076504420
914808055126
105385128208
112313845589
121063575780
1367a893cc5
143912b43cc
15217b7d823
hex140fa8910

5385128208 has 20 divisors (see below), whose sum is σ = 13911581328. Its totient is φ = 1795042720.

The previous prime is 5385128191. The next prime is 5385128209. The reversal of 5385128208 is 8028215835.

It is a self number, because there is not a number n which added to its sum of digits gives 5385128208.

It is not an unprimeable number, because it can be changed into a prime (5385128209) 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, 56095038 + ... + 56095133.

Almost surely, 25385128208 is an apocalyptic number.

It is an amenable number.

5385128208 is an abundant number, since it is smaller than the sum of its proper divisors (8526453120).

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

5385128208 is a wasteful number, since it uses less digits than its factorization.

5385128208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112190182 (or 112190176 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 5385128208 is about 73383.4327896972. The cubic root of 5385128208 is about 1752.7985923760.

The spelling of 5385128208 in words is "five billion, three hundred eighty-five million, one hundred twenty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 112190171 224380342 336570513 448760684 673141026 897521368 1346282052 1795042736 2692564104 5385128208