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159545328768 = 2732731163617
BaseRepresentation
bin1001010010010110100…
…1001000010010000000
3120020210222200110022200
42110211221020102000
510103222101010033
6201143310033200
714345452630050
oct2244551102200
9506728613280
10159545328768
11617321a6a11
1226b074a8800
1312077cc59a7
147a1739b560
15423baca013
hex2525a48480

159545328768 has 192 divisors, whose sum is σ = 526390600320. Its totient is φ = 45437091840.

The previous prime is 159545328751. The next prime is 159545328823. The reversal of 159545328768 is 867823545951.

159545328768 is a `hidden beast` number, since 1 + 5 + 9 + 545 + 3 + 2 + 87 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 2476096 + ... + 2539712.

It is an arithmetic number, because the mean of its divisors is an integer number (2741617710).

Almost surely, 2159545328768 is an apocalyptic number.

159545328768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159545328768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263195300160).

159545328768 is an abundant number, since it is smaller than the sum of its proper divisors (366845271552).

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

159545328768 is a wasteful number, since it uses less digits than its factorization.

159545328768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63955 (or 63940 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 159545328768 in words is "one hundred fifty-nine billion, five hundred forty-five million, three hundred twenty-eight thousand, seven hundred sixty-eight".