Base | Representation |
---|---|
bin | 111000011111000001… |
… | …1111101100100110001 |
3 | 102121002121221012220222 |
4 | 1300332003331210301 |
5 | 3441410334412241 |
6 | 131420302342425 |
7 | 11522635424411 |
oct | 1607603754461 |
9 | 377077835828 |
10 | 121300310321 |
11 | 47496954553 |
12 | 1b61328aa15 |
13 | b591700668 |
14 | 5c29d08641 |
15 | 324e207a4b |
hex | 1c3e0fd931 |
121300310321 has 8 divisors (see below), whose sum is σ = 127719506400. Its totient is φ = 114884611200.
The previous prime is 121300310303. The next prime is 121300310333. The reversal of 121300310321 is 123013003121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121300310321 - 214 = 121300293937 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121300310321.
It is not an unprimeable number, because it can be changed into a prime (121300310821) 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, 802880 + ... + 941921.
It is an arithmetic number, because the mean of its divisors is an integer number (15964938300).
Almost surely, 2121300310321 is an apocalyptic number.
It is an amenable number.
121300310321 is a deficient number, since it is larger than the sum of its proper divisors (6419196079).
121300310321 is a wasteful number, since it uses less digits than its factorization.
121300310321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1748479.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 121300310321 its reverse (123013003121), we get a palindrome (244313313442).
The spelling of 121300310321 in words is "one hundred twenty-one billion, three hundred million, three hundred ten thousand, three hundred twenty-one".
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