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5403128640 = 2635713127487
BaseRepresentation
bin1010000100000110…
…10011001101000000
3111221112221101002120
411002003103031000
542031200104030
62252051444240
7250615556430
oct50203231500
914845841076
105403128640
112322a1a578
1210695b6680
13681527250
1439383c2c0
15219537010
hex1420d3340

5403128640 has 448 divisors, whose sum is σ = 21323710464. Its totient is φ = 1128701952.

The previous prime is 5403128639. The next prime is 5403128669. The reversal of 5403128640 is 468213045.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11094477 + ... + 11094963.

It is an arithmetic number, because the mean of its divisors is an integer number (47597568).

Almost surely, 25403128640 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 5403128640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10661855232).

5403128640 is an abundant number, since it is smaller than the sum of its proper divisors (15920581824).

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

5403128640 is a wasteful number, since it uses less digits than its factorization.

5403128640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 5403128640 is about 73505.9768998413. The cubic root of 5403128640 is about 1754.7493996933.

The spelling of 5403128640 in words is "five billion, four hundred three million, one hundred twenty-eight thousand, six hundred forty".