Base | Representation |
---|---|
bin | 1110011110010… |
… | …01111011010010 |
3 | 22110110102210000 |
4 | 13033021323102 |
5 | 222040211310 |
6 | 20014150430 |
7 | 3002665503 |
oct | 717117322 |
9 | 273412700 |
10 | 121413330 |
11 | 625976a5 |
12 | 347b2416 |
13 | 1c20030c |
14 | 121a6baa |
15 | a9d44c0 |
hex | 73c9ed2 |
121413330 has 40 divisors (see below), whose sum is σ = 326469132. Its totient is φ = 32376672.
The previous prime is 121413323. The next prime is 121413359. The reversal of 121413330 is 33314121.
It can be written as a sum of positive squares in 2 ways, for example, as 118396161 + 3017169 = 10881^2 + 1737^2 .
It is a super-3 number, since 3×1214133303 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74137 + ... + 75756.
Almost surely, 2121413330 is an apocalyptic number.
121413330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121413330 is an abundant number, since it is smaller than the sum of its proper divisors (205055802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121413330 is a wasteful number, since it uses less digits than its factorization.
121413330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149912 (or 149903 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 121413330 is about 11018.7717101318. The cubic root of 121413330 is about 495.1712905818.
Adding to 121413330 its reverse (33314121), we get a palindrome (154727451).
The spelling of 121413330 in words is "one hundred twenty-one million, four hundred thirteen thousand, three hundred thirty".
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