Base | Representation |
---|---|
bin | 1110011010111… |
… | …01011010001000 |
3 | 22102121212001102 |
4 | 13031131122020 |
5 | 221432000330 |
6 | 20000440532 |
7 | 2666134556 |
oct | 715353210 |
9 | 272555042 |
10 | 120968840 |
11 | 62313753 |
12 | 34619148 |
13 | 1c0a5bc5 |
14 | 120ccbd6 |
15 | a947945 |
hex | 735d688 |
120968840 has 16 divisors (see below), whose sum is σ = 272179980. Its totient is φ = 48387520.
The previous prime is 120968791. The next prime is 120968849. The reversal of 120968840 is 48869021.
It can be written as a sum of positive squares in 2 ways, for example, as 109286116 + 11682724 = 10454^2 + 3418^2 .
It is a junction number, because it is equal to n+sod(n) for n = 120968794 and 120968803.
It is not an unprimeable number, because it can be changed into a prime (120968849) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512071 + ... + 1512150.
Almost surely, 2120968840 is an apocalyptic number.
120968840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120968840 is an abundant number, since it is smaller than the sum of its proper divisors (151211140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120968840 is a wasteful number, since it uses less digits than its factorization.
120968840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3024232 (or 3024228 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 120968840 is about 10998.5835451662. The cubic root of 120968840 is about 494.5662833562.
The spelling of 120968840 in words is "one hundred twenty million, nine hundred sixty-eight thousand, eight hundred forty".
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