Base | Representation |
---|---|
bin | 1110011100001… |
… | …00111001000010 |
3 | 22102221001220010 |
4 | 13032010321002 |
5 | 222002134222 |
6 | 20004125350 |
7 | 3000410220 |
oct | 716047102 |
9 | 272831803 |
10 | 121130562 |
11 | 62414203 |
12 | 34696856 |
13 | 1c1316b7 |
14 | 12131b10 |
15 | a97a80c |
hex | 7384e42 |
121130562 has 32 divisors (see below), whose sum is σ = 282765312. Its totient is φ = 33871824.
The previous prime is 121130561. The next prime is 121130617. The reversal of 121130562 is 265031121.
It is a super-2 number, since 2×1211305622 = 29345226100871688, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (121130561) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28708 + ... + 32655.
It is an arithmetic number, because the mean of its divisors is an integer number (8836416).
Almost surely, 2121130562 is an apocalyptic number.
121130562 is an abundant number, since it is smaller than the sum of its proper divisors (161634750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121130562 is a wasteful number, since it uses less digits than its factorization.
121130562 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61422.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 121130562 is about 11005.9330363218. The cubic root of 121130562 is about 494.7865787437.
Adding to 121130562 its reverse (265031121), we get a palindrome (386161683).
The spelling of 121130562 in words is "one hundred twenty-one million, one hundred thirty thousand, five hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •