Base | Representation |
---|---|
bin | 101111100000001101… |
… | …0000011011100010001 |
3 | 100202022102010221011221 |
4 | 1133000122003130101 |
5 | 3132410122144441 |
6 | 114510325405041 |
7 | 10240650161311 |
oct | 1370032033421 |
9 | 322272127157 |
10 | 102012303121 |
11 | 3a299316233 |
12 | 1792b869781 |
13 | 98096a3a51 |
14 | 4d1a3dd441 |
15 | 29c0c2c8d1 |
hex | 17c0683711 |
102012303121 has 8 divisors (see below), whose sum is σ = 112709245824. Its totient is φ = 91837162560.
The previous prime is 102012303089. The next prime is 102012303137. The reversal of 102012303121 is 121303210201.
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 102012303121 - 25 = 102012303089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102012303095 and 102012303104.
It is not an unprimeable number, because it can be changed into a prime (102012303221) 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, 130450125 + ... + 130450906.
It is an arithmetic number, because the mean of its divisors is an integer number (14088655728).
Almost surely, 2102012303121 is an apocalyptic number.
It is an amenable number.
102012303121 is a deficient number, since it is larger than the sum of its proper divisors (10696942703).
102012303121 is a wasteful number, since it uses less digits than its factorization.
102012303121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260901071.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 102012303121 its reverse (121303210201), we get a palindrome (223315513322).
The spelling of 102012303121 in words is "one hundred two billion, twelve million, three hundred three thousand, one hundred twenty-one".
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