Base | Representation |
---|---|
bin | 1110011010000… |
… | …10111001111000 |
3 | 22102102100010200 |
4 | 13031002321320 |
5 | 221420012110 |
6 | 15554242200 |
7 | 2665203222 |
oct | 715027170 |
9 | 272370120 |
10 | 120860280 |
11 | 6224a132 |
12 | 34586360 |
13 | 1c068678 |
14 | 120a1412 |
15 | a9256c0 |
hex | 7342e78 |
120860280 has 96 divisors (see below), whose sum is σ = 396405360. Its totient is φ = 31933440.
The previous prime is 120860279. The next prime is 120860281. The reversal of 120860280 is 82068021.
It is an interprime number because it is at equal distance from previous prime (120860279) and next prime (120860281).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120860281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39195 + ... + 42165.
Almost surely, 2120860280 is an apocalyptic number.
120860280 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 120860280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198202680).
120860280 is an abundant number, since it is smaller than the sum of its proper divisors (275545080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120860280 is a wasteful number, since it uses less digits than its factorization.
120860280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3101 (or 3094 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 120860280 is about 10993.6472564841. The cubic root of 120860280 is about 494.4182943241.
The spelling of 120860280 in words is "one hundred twenty million, eight hundred sixty thousand, two hundred eighty".
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