Base | Representation |
---|---|
bin | 1110011011001… |
… | …01000001011110 |
3 | 22102200102211121 |
4 | 13031211001132 |
5 | 221434000110 |
6 | 20001241154 |
7 | 2666324524 |
oct | 715450136 |
9 | 272612747 |
10 | 121000030 |
11 | 62335128 |
12 | 346331ba |
13 | 1c0b7168 |
14 | 120da314 |
15 | a951cda |
hex | 736505e |
121000030 has 8 divisors (see below), whose sum is σ = 217800072. Its totient is φ = 48400008.
The previous prime is 121000003. The next prime is 121000049. The reversal of 121000030 is 30000121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 120999977 and 121000022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6049992 + ... + 6050011.
It is an arithmetic number, because the mean of its divisors is an integer number (27225009).
Almost surely, 2121000030 is an apocalyptic number.
121000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121000030 is a deficient number, since it is larger than the sum of its proper divisors (96800042).
121000030 is a wasteful number, since it uses less digits than its factorization.
121000030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12100010.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 121000030 is about 11000.0013636363. The cubic root of 121000030 is about 494.6087852016.
Adding to 121000030 its reverse (30000121), we get a palindrome (151000151).
Subtracting from 121000030 its reverse (30000121), we obtain a palindrome (90999909).
The spelling of 121000030 in words is "one hundred twenty-one million, thirty", and thus it is an aban number.
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