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5313968640 = 293251961199
BaseRepresentation
bin1001111001011110…
…01011101000000000
3111201100011120120100
410330233023220000
541340333444030
62235144442400
7245453662641
oct47457135000
914640146510
105313968640
112287662322
121043779400
13668c0a756
14385a6d6c8
152117c4360
hex13cbcba00

5313968640 has 480 divisors, whose sum is σ = 19788912000. Its totient is φ = 1313832960.

The previous prime is 5313968591. The next prime is 5313968711. The reversal of 5313968640 is 468693135.

5313968640 is a `hidden beast` number, since 531 + 39 + 6 + 86 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26703261 + ... + 26703459.

It is an arithmetic number, because the mean of its divisors is an integer number (41226900).

Almost surely, 25313968640 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 5313968640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9894456000).

5313968640 is an abundant number, since it is smaller than the sum of its proper divisors (14474943360).

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

5313968640 is a wasteful number, since it uses less digits than its factorization.

5313968640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 5313968640 is about 72896.9727766524. The cubic root of 5313968640 is about 1745.0437878137.

The spelling of 5313968640 in words is "five billion, three hundred thirteen million, nine hundred sixty-eight thousand, six hundred forty".