Base | Representation |
---|---|
bin | 1100111000111… |
… | …10111100100000 |
3 | 21112110120120210 |
4 | 12130132330200 |
5 | 210140130310 |
6 | 14421334120 |
7 | 2452043022 |
oct | 634367440 |
9 | 245416523 |
10 | 108130080 |
11 | 56044803 |
12 | 30267340 |
13 | 1952c1c6 |
14 | 1050a012 |
15 | 975d820 |
hex | 671ef20 |
108130080 has 96 divisors (see below), whose sum is σ = 347929344. Its totient is φ = 28215296.
The previous prime is 108130049. The next prime is 108130091. The reversal of 108130080 is 80031801.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×1081300802 = 23384228401612800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20164 + ... + 24956.
It is an arithmetic number, because the mean of its divisors is an integer number (3624264).
Almost surely, 2108130080 is an apocalyptic number.
108130080 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 108130080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173964672).
108130080 is an abundant number, since it is smaller than the sum of its proper divisors (239799264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108130080 is a wasteful number, since it uses less digits than its factorization.
108130080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4858 (or 4850 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 108130080 is about 10398.5614389684. The cubic root of 108130080 is about 476.4114325189.
Adding to 108130080 its reverse (80031801), we get a palindrome (188161881).
The spelling of 108130080 in words is "one hundred eight million, one hundred thirty thousand, eighty".
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