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163000080 = 243351723193
BaseRepresentation
bin10011011011100…
…10111100010000
3102100201021002000
421231302330100
5313212000310
624101354000
74016322615
oct1155627420
9370637060
10163000080
1184011411
1246708900
1327a01169
141791050c
15e49b4c0
hex9b72f10

163000080 has 320 divisors, whose sum is σ = 623531520. Its totient is φ = 38928384.

The previous prime is 163000073. The next prime is 163000091. The reversal of 163000080 is 80000361.

163000080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 844464 + ... + 844656.

It is an arithmetic number, because the mean of its divisors is an integer number (1948536).

Almost surely, 2163000080 is an apocalyptic number.

163000080 is a gapful number since it is divisible by the number (10) 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 163000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311765760).

163000080 is an abundant number, since it is smaller than the sum of its proper divisors (460531440).

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

163000080 is a wasteful number, since it uses less digits than its factorization.

163000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 163000080 is about 12767.1484678451. The cubic root of 163000080 is about 546.2556464951.

The spelling of 163000080 in words is "one hundred sixty-three million, eighty", and thus it is an aban number.