Base | Representation |
---|---|
bin | 1110010101000… |
… | …01011100000000 |
3 | 22101011201220120 |
4 | 13022201130000 |
5 | 221232331122 |
6 | 15532140240 |
7 | 2656450101 |
oct | 712413400 |
9 | 271151816 |
10 | 120198912 |
11 | 61938249 |
12 | 34307680 |
13 | 1bb96622 |
14 | 11d6c3a8 |
15 | a84475c |
hex | 72a1700 |
120198912 has 72 divisors (see below), whose sum is σ = 326050704. Its totient is φ = 39297024.
The previous prime is 120198907. The next prime is 120198917. The reversal of 120198912 is 219891021.
It is an interprime number because it is at equal distance from previous prime (120198907) and next prime (120198917).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120198917) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39228 + ... + 42180.
It is an arithmetic number, because the mean of its divisors is an integer number (4528482).
Almost surely, 2120198912 is an apocalyptic number.
120198912 is a gapful number since it is divisible by the number (12) 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 120198912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163025352).
120198912 is an abundant number, since it is smaller than the sum of its proper divisors (205851792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120198912 is an equidigital number, since it uses as much as digits as its factorization.
120198912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3025 (or 3011 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 33.
The square root of 120198912 is about 10963.5264399736. The cubic root of 120198912 is about 493.5147972967.
The spelling of 120198912 in words is "one hundred twenty million, one hundred ninety-eight thousand, nine hundred twelve".
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