Base | Representation |
---|---|
bin | 1110011000101… |
… | …11001010010100 |
3 | 22102002020100200 |
4 | 13030113022110 |
5 | 221343243413 |
6 | 15550340500 |
7 | 2663525652 |
oct | 714271224 |
9 | 272066320 |
10 | 120681108 |
11 | 62137559 |
12 | 344ba730 |
13 | 1c004c52 |
14 | 12055dd2 |
15 | a8dc573 |
hex | 7317294 |
120681108 has 36 divisors (see below), whose sum is σ = 307294260. Its totient is φ = 39931776.
The previous prime is 120681107. The next prime is 120681131. The reversal of 120681108 is 801186021.
It can be written as a sum of positive squares in 2 ways, for example, as 42146064 + 78535044 = 6492^2 + 8862^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120681107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7303 + ... + 17166.
Almost surely, 2120681108 is an apocalyptic number.
120681108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
120681108 is an abundant number, since it is smaller than the sum of its proper divisors (186613152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120681108 is a wasteful number, since it uses less digits than its factorization.
120681108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24616 (or 24611 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 27.
The square root of 120681108 is about 10985.4953461371. The cubic root of 120681108 is about 494.1738530401.
The spelling of 120681108 in words is "one hundred twenty million, six hundred eighty-one thousand, one hundred eight".
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