Base | Representation |
---|---|
bin | 1110011011101… |
… | …10001111110100 |
3 | 22102211000121120 |
4 | 13031312033310 |
5 | 221443224310 |
6 | 20002543540 |
7 | 3000040311 |
oct | 715661764 |
9 | 272730546 |
10 | 121070580 |
11 | 62383134 |
12 | 34667bb0 |
13 | 1c1102c7 |
14 | 12117d08 |
15 | a967b70 |
hex | 73763f4 |
121070580 has 24 divisors (see below), whose sum is σ = 338997792. Its totient is φ = 32285472.
The previous prime is 121070567. The next prime is 121070611. The reversal of 121070580 is 85070121.
It is a self number, because there is not a number n which added to its sum of digits gives 121070580.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008862 + ... + 1008981.
It is an arithmetic number, because the mean of its divisors is an integer number (14124908).
Almost surely, 2121070580 is an apocalyptic number.
121070580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121070580 is an abundant number, since it is smaller than the sum of its proper divisors (217927212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121070580 is a wasteful number, since it uses less digits than its factorization.
121070580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2017855 (or 2017853 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 121070580 is about 11003.2077141168. The cubic root of 121070580 is about 494.7048950129.
The spelling of 121070580 in words is "one hundred twenty-one million, seventy thousand, five hundred eighty".
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