Base | Representation |
---|---|
bin | 11011100010101011000111… |
… | …011001011011000101100001 |
3 | 120212212220201212121210121010 |
4 | 123202223013121123011201 |
5 | 111334043231312343241 |
6 | 1105342205413251133 |
7 | 34341232433254305 |
oct | 3342530731330541 |
9 | 525786655553533 |
10 | 121130013012321 |
11 | 35660a4a546615 |
12 | 11703984333aa9 |
13 | 52786851a4a21 |
14 | 21caa1c5abd05 |
15 | e00d09e50d16 |
hex | 6e2ac765b161 |
121130013012321 has 16 divisors (see below), whose sum is σ = 167035346862080. Its totient is φ = 77998972142160.
The previous prime is 121130013012319. The next prime is 121130013012361. The reversal of 121130013012321 is 123210310031121.
It is not a de Polignac number, because 121130013012321 - 21 = 121130013012319 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121130013012361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245145681 + ... + 1245242958.
It is an arithmetic number, because the mean of its divisors is an integer number (10439709178880).
Almost surely, 2121130013012321 is an apocalyptic number.
It is an amenable number.
121130013012321 is a deficient number, since it is larger than the sum of its proper divisors (45905333849759).
121130013012321 is a wasteful number, since it uses less digits than its factorization.
121130013012321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490389196.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 121130013012321 its reverse (123210310031121), we get a palindrome (244340323043442).
The spelling of 121130013012321 in words is "one hundred twenty-one trillion, one hundred thirty billion, thirteen million, twelve thousand, three hundred twenty-one".
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