Base | Representation |
---|---|
bin | 1110011111111… |
… | …10110101111010 |
3 | 22110212110002120 |
4 | 13033332311322 |
5 | 222114130244 |
6 | 20022542110 |
7 | 3004560426 |
oct | 717766572 |
9 | 273773076 |
10 | 121630074 |
11 | 62725525 |
12 | 34897936 |
13 | 1c277b77 |
14 | 12221b86 |
15 | aa28819 |
hex | 73fed7a |
121630074 has 16 divisors (see below), whose sum is σ = 243477120. Its totient is φ = 40507200.
The previous prime is 121630073. The next prime is 121630079. The reversal of 121630074 is 470036121.
It is not an unprimeable number, because it can be changed into a prime (121630073) 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, 1234 + ... + 15645.
It is an arithmetic number, because the mean of its divisors is an integer number (15217320).
Almost surely, 2121630074 is an apocalyptic number.
121630074 is an abundant number, since it is smaller than the sum of its proper divisors (121847046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121630074 is a wasteful number, since it uses less digits than its factorization.
121630074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18085.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 121630074 is about 11028.6025406667. The cubic root of 121630074 is about 495.4657711648.
Adding to 121630074 its reverse (470036121), we get a palindrome (591666195).
The spelling of 121630074 in words is "one hundred twenty-one million, six hundred thirty thousand, seventy-four".
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