Base | Representation |
---|---|
bin | 110001000000100000… |
… | …0010001101001111000 |
3 | 101001122121022012020120 |
4 | 1202001000101221320 |
5 | 3211014322021110 |
6 | 120203114253240 |
7 | 10414014254163 |
oct | 1420100215170 |
9 | 331577265216 |
10 | 105243548280 |
11 | 406a726a582 |
12 | 18491a27220 |
13 | 9c02c62230 |
14 | 51455dcada |
15 | 2b0e74d870 |
hex | 1881011a78 |
105243548280 has 128 divisors (see below), whose sum is σ = 357913382400. Its totient is φ = 24542618112.
The previous prime is 105243548243. The next prime is 105243548341. The reversal of 105243548280 is 82845342501.
105243548280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1052435482802 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1745724 + ... + 1805003.
It is an arithmetic number, because the mean of its divisors is an integer number (2796198300).
Almost surely, 2105243548280 is an apocalyptic number.
105243548280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105243548280 is an abundant number, since it is smaller than the sum of its proper divisors (252669834120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105243548280 is a wasteful number, since it uses less digits than its factorization.
105243548280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3550773 (or 3550769 counting only the distinct ones).
The product of its (nonzero) digits is 307200, while the sum is 42.
The spelling of 105243548280 in words is "one hundred five billion, two hundred forty-three million, five hundred forty-eight thousand, two hundred eighty".
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