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5031440064 = 26347612273
BaseRepresentation
bin1001010111110010…
…11010111011000000
3110222122112122020000
410223321122323000
540301022040224
62151133120000
7235453351320
oct45371327300
913878478200
105031440064
112152131432
12b85029000
13622519191
1435a327280
151e6ab70c9
hex12be5aec0

5031440064 has 280 divisors, whose sum is σ = 17332500768. Its totient is φ = 1413365760.

The previous prime is 5031440047. The next prime is 5031440069. The reversal of 5031440064 is 4600441305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5031440069) 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 39 ways as a sum of consecutive naturals, for example, 2212432 + ... + 2214704.

Almost surely, 25031440064 is an apocalyptic number.

5031440064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5031440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8666250384).

5031440064 is an abundant number, since it is smaller than the sum of its proper divisors (12301060704).

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

5031440064 is a wasteful number, since it uses less digits than its factorization.

5031440064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5031440064 is about 70932.6445580594. The cubic root of 5031440064 is about 1713.5525773662.

Adding to 5031440064 its reverse (4600441305), we get a palindrome (9631881369).

The spelling of 5031440064 in words is "five billion, thirty-one million, four hundred forty thousand, sixty-four".