Base | Representation |
---|---|
bin | 1110011110111… |
… | …00000000000000 |
3 | 22110121012022212 |
4 | 13033130000000 |
5 | 222100043420 |
6 | 20015521252 |
7 | 3003424361 |
oct | 717340000 |
9 | 273535285 |
10 | 121487360 |
11 | 62638285 |
12 | 34829228 |
13 | 1c227c17 |
14 | 121c5b68 |
15 | a9eb3c5 |
hex | 73dc000 |
121487360 has 60 divisors (see below), whose sum is σ = 291757368. Its totient is φ = 48562176.
The previous prime is 121487329. The next prime is 121487363. The reversal of 121487360 is 63784121.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121487363) 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, 81179 + ... + 82661.
Almost surely, 2121487360 is an apocalyptic number.
121487360 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 121487360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145878684).
121487360 is an abundant number, since it is smaller than the sum of its proper divisors (170270008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121487360 is an frugal number, since it uses more digits than its factorization.
121487360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1516 (or 1490 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 121487360 is about 11022.1304655679. The cubic root of 121487360 is about 495.2719112816.
The spelling of 121487360 in words is "one hundred twenty-one million, four hundred eighty-seven thousand, three hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •