Base | Representation |
---|---|
bin | 11011100100001000100010… |
… | …011010000000110011000011 |
3 | 120220020111122201201010111112 |
4 | 123210020202122000303003 |
5 | 111342214200440010001 |
6 | 1105500235253033535 |
7 | 34351413305633243 |
oct | 3344104232006303 |
9 | 526214581633445 |
10 | 121230324141251 |
11 | 3569a545567466 |
12 | 1171b2ba3258ab |
13 | 5284c802aa910 |
14 | 21d1816a9bb23 |
15 | e0372b646cbb |
hex | 6e4222680cc3 |
121230324141251 has 8 divisors (see below), whose sum is σ = 130815287840160. Its totient is φ = 111682439606592.
The previous prime is 121230324141239. The next prime is 121230324141253. The reversal of 121230324141251 is 152141423032121.
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 121230324141251 - 210 = 121230324140227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121230324141253) 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, 9269784266 + ... + 9269797343.
It is an arithmetic number, because the mean of its divisors is an integer number (16351910980020).
Almost surely, 2121230324141251 is an apocalyptic number.
121230324141251 is a deficient number, since it is larger than the sum of its proper divisors (9584963698909).
121230324141251 is a wasteful number, since it uses less digits than its factorization.
121230324141251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18539582125.
The product of its (nonzero) digits is 11520, while the sum is 32.
Adding to 121230324141251 its reverse (152141423032121), we get a palindrome (273371747173372).
The spelling of 121230324141251 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred twenty-four million, one hundred forty-one thousand, two hundred fifty-one".
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