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5691757680 = 243357253777
BaseRepresentation
bin1010100110100000…
…10101010001110000
3112200200001020201000
411103100111101300
543124042221210
62340442042000
7261022066500
oct52320252160
915620036630
105691757680
112460937874
12112a1a9300
136c927346b
143bdcd1a00
15234a4bac0
hex153415470

5691757680 has 240 divisors, whose sum is σ = 22806174240. Its totient is φ = 1300948992.

The previous prime is 5691757663. The next prime is 5691757699. The reversal of 5691757680 is 867571965.

5691757680 is a `hidden beast` number, since 5 + 69 + 1 + 7 + 576 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×56917576802 = 64792210975677964800, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78952 + ... + 132728.

It is an arithmetic number, because the mean of its divisors is an integer number (95025726).

Almost surely, 25691757680 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 5691757680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11403087120).

5691757680 is an abundant number, since it is smaller than the sum of its proper divisors (17114416560).

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

5691757680 is a wasteful number, since it uses less digits than its factorization.

5691757680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53813 (or 53794 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 5691757680 is about 75443.7385075793. The cubic root of 5691757680 is about 1785.4545555165.

The spelling of 5691757680 in words is "five billion, six hundred ninety-one million, seven hundred fifty-seven thousand, six hundred eighty".