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5398961568 = 25371113192957
BaseRepresentation
bin1010000011100110…
…11001110110100000
3111221021002122221120
411001303121312200
542024113232233
62251422252240
7250535262510
oct50163316640
914837078846
105398961568
112320633810
121068127080
136806c8620
14393075840
15218eb24b3
hex141cd9da0

5398961568 has 384 divisors, whose sum is σ = 20036782080. Its totient is φ = 1225912320.

The previous prime is 5398961567. The next prime is 5398961591. The reversal of 5398961568 is 8651698935.

It is not an unprimeable number, because it can be changed into a prime (5398961567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1824346 + ... + 1827302.

It is an arithmetic number, because the mean of its divisors is an integer number (52179120).

Almost surely, 25398961568 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 5398961568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10018391040).

5398961568 is an abundant number, since it is smaller than the sum of its proper divisors (14637820512).

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

5398961568 is a wasteful number, since it uses less digits than its factorization.

5398961568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3012 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The square root of 5398961568 is about 73477.6263089656. The cubic root of 5398961568 is about 1754.2981766965.

The spelling of 5398961568 in words is "five billion, three hundred ninety-eight million, nine hundred sixty-one thousand, five hundred sixty-eight".