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5128363123 = 131747493729
BaseRepresentation
bin1001100011010110…
…01001110001110011
3111020101220211122221
410301223021301303
541000330104443
62204514341511
7241041236662
oct46153116163
914211824587
105128363123
1121a1911134
12bb158a897
136396232c0
14369156dd9
1520035eeed
hex131ac9c73

5128363123 has 16 divisors (see below), whose sum is σ = 5972158080. Its totient is φ = 4360605696.

The previous prime is 5128363063. The next prime is 5128363129. The reversal of 5128363123 is 3213638215.

It is a cyclic number.

It is not a de Polignac number, because 5128363123 - 217 = 5128232051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128363129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 236478 + ... + 257251.

It is an arithmetic number, because the mean of its divisors is an integer number (373259880).

Almost surely, 25128363123 is an apocalyptic number.

5128363123 is a deficient number, since it is larger than the sum of its proper divisors (843794957).

5128363123 is a wasteful number, since it uses less digits than its factorization.

5128363123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493806.

The product of its digits is 25920, while the sum is 34.

The square root of 5128363123 is about 71612.5905340674. The cubic root of 5128363123 is about 1724.4856687429.

The spelling of 5128363123 in words is "five billion, one hundred twenty-eight million, three hundred sixty-three thousand, one hundred twenty-three".

Divisors: 1 13 17 47 221 611 799 10387 493729 6418477 8393393 23205263 109114109 301668419 394489471 5128363123