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5531748768 = 2533721319232
BaseRepresentation
bin1010010011011011…
…11100100110100000
3112021111221221202000
411021231330212200
542312111430033
62312524324000
7254040042300
oct51155744640
915244857660
105531748768
1123895897a7
1210a46a3600
136a207b930
143a695d600
15225991a13
hex149b7c9a0

5531748768 has 864 divisors, whose sum is σ = 22241217600. Its totient is φ = 1322044416.

The previous prime is 5531748757. The next prime is 5531748793. The reversal of 5531748768 is 8678471355.

It is a happy number.

5531748768 is a `hidden beast` number, since 5 + 531 + 7 + 48 + 7 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 240510805 + ... + 240510827.

It is an arithmetic number, because the mean of its divisors is an integer number (25742150).

Almost surely, 25531748768 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 5531748768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11120608800).

5531748768 is an abundant number, since it is smaller than the sum of its proper divisors (16709468832).

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

5531748768 is a wasteful number, since it uses less digits than its factorization.

5531748768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 67 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 5531748768 is about 74375.7270082115. The cubic root of 5531748768 is about 1768.5641443425.

The spelling of 5531748768 in words is "five billion, five hundred thirty-one million, seven hundred forty-eight thousand, seven hundred sixty-eight".