Base | Representation |
---|---|
bin | 1111101111111100… |
… | …01011100110010000 |
3 | 210211021000200220000 |
4 | 13313332023212100 |
5 | 114304020140310 |
6 | 3515001050000 |
7 | 416346232500 |
oct | 76776134620 |
9 | 23737020800 |
10 | 8455240080 |
11 | 3649843021 |
12 | 177b786900 |
13 | a49955c51 |
14 | 5a2d2ba00 |
15 | 3474714c0 |
hex | 1f7f8b990 |
8455240080 has 600 divisors, whose sum is σ = 35303811840. Its totient is φ = 1868106240.
The previous prime is 8455240069. The next prime is 8455240081. The reversal of 8455240080 is 800425548.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (8455240081) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9842691 + ... + 9843549.
Almost surely, 28455240080 is an apocalyptic number.
8455240080 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 8455240080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17651905920).
8455240080 is an abundant number, since it is smaller than the sum of its proper divisors (26848571760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8455240080 is a wasteful number, since it uses less digits than its factorization.
8455240080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929 (or 907 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 8455240080 is about 91952.3794145644. The cubic root of 8455240080 is about 2037.2389984216.
The spelling of 8455240080 in words is "eight billion, four hundred fifty-five million, two hundred forty thousand, eighty".
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