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115387927828 = 2237779648161
BaseRepresentation
bin110101101110110101…
…0000000110100010100
3102000211120202001212121
41223131222000310110
53342303302142303
6125001455425324
711223264126565
oct1533552006424
9360746661777
10115387927828
1144a32528028
121a443225244
13ab5b831294
1458289c616c
15300512a9bd
hex1adda80d14

115387927828 has 12 divisors (see below), whose sum is σ = 207386411092. Its totient is φ = 56134667520.

The previous prime is 115387927813. The next prime is 115387927933. The reversal of 115387927828 is 828729783511.

115387927828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65895916804 + 49492011024 = 256702^2 + 222468^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389823933 + ... + 389824228.

Almost surely, 2115387927828 is an apocalyptic number.

It is an amenable number.

115387927828 is a deficient number, since it is larger than the sum of its proper divisors (91998483264).

115387927828 is a wasteful number, since it uses less digits than its factorization.

115387927828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779648202 (or 779648200 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 61.

The spelling of 115387927828 in words is "one hundred fifteen billion, three hundred eighty-seven million, nine hundred twenty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 37 74 148 779648161 1559296322 3118592644 28846981957 57693963914 115387927828