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8489688480 = 253257131737103
BaseRepresentation
bin1111110100000011…
…00101110110100000
3210220122211212012200
413322001211312200
5114341330012410
63522231253200
7420245106240
oct77201456640
923818755180
108489688480
113667231679
12178b21a200
13a53b27910
145a7737b20
1534a4c83c0
hex1fa065da0

8489688480 has 1152 divisors, whose sum is σ = 39150978048. Its totient is φ = 1624375296.

The previous prime is 8489688479. The next prime is 8489688511. The reversal of 8489688480 is 848869848.

It is a happy number.

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 191 ways as a sum of consecutive naturals, for example, 82424109 + ... + 82424211.

It is an arithmetic number, because the mean of its divisors is an integer number (33985224).

Almost surely, 28489688480 is an apocalyptic number.

8489688480 is a gapful number since it is divisible by the number (80) 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 8489688480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19575489024).

8489688480 is an abundant number, since it is smaller than the sum of its proper divisors (30661289568).

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

8489688480 is a wasteful number, since it uses less digits than its factorization.

8489688480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 63.

The square root of 8489688480 is about 92139.5055337286. The cubic root of 8489688480 is about 2040.0019607824.

The spelling of 8489688480 in words is "eight billion, four hundred eighty-nine million, six hundred eighty-eight thousand, four hundred eighty".