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5128234272 = 253273122647
BaseRepresentation
bin1001100011010101…
…01010010100100000
3111020101200021220200
410301222222110200
541000311444042
62204511505200
7241040162220
oct46152522440
914211607820
105128234272
1121a1833347
12bb1528200
136395a9765
14369122080
15200336c4c
hex131aaa520

5128234272 has 216 divisors, whose sum is σ = 17228248128. Its totient is φ = 1417409280.

The previous prime is 5128234271. The next prime is 5128234277. The reversal of 5128234272 is 2724328215.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5128234271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1936053 + ... + 1938699.

It is an arithmetic number, because the mean of its divisors is an integer number (79760408).

Almost surely, 25128234272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5128234272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8614124064).

5128234272 is an abundant number, since it is smaller than the sum of its proper divisors (12100013856).

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

5128234272 is a wasteful number, since it uses less digits than its factorization.

5128234272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2690 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 5128234272 is about 71611.6908891279. The cubic root of 5128234272 is about 1724.4712259562.

The spelling of 5128234272 in words is "five billion, one hundred twenty-eight million, two hundred thirty-four thousand, two hundred seventy-two".