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5712272640 = 283252321559
BaseRepresentation
bin1010101000111101…
…00101110100000000
3112202002122111221100
411110132211310000
543144320211030
62342453454400
7261361342044
oct52436456400
915662574840
105712272640
112471479a88
121135041400
137005a70a9
143c2912024
15236750360
hex1547a5d00

5712272640 has 216 divisors, whose sum is σ = 20624123520. Its totient is φ = 1456975872.

The previous prime is 5712272633. The next prime is 5712272681. The reversal of 5712272640 is 462722175.

It is a happy number.

5712272640 is a `hidden beast` number, since 5 + 7 + 1 + 2 + 2 + 7 + 2 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5712272595 and 5712272604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254181 + ... + 275739.

Almost surely, 25712272640 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 5712272640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10312061760).

5712272640 is an abundant number, since it is smaller than the sum of its proper divisors (14911850880).

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

5712272640 is a wasteful number, since it uses less digits than its factorization.

5712272640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21609 (or 21592 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 5712272640 is about 75579.5781941127. The cubic root of 5712272640 is about 1787.5971045427.

The spelling of 5712272640 in words is "five billion, seven hundred twelve million, two hundred seventy-two thousand, six hundred forty".