Base | Representation |
---|---|
bin | 10010111100110001110… |
… | …001010100001100000101 |
3 | 11121111020021001021020120 |
4 | 102330301301110030011 |
5 | 132313411241231041 |
6 | 2434121013452153 |
7 | 163036660143453 |
oct | 22746161241405 |
9 | 4544207037216 |
10 | 1302210102021 |
11 | 46229a721594 |
12 | 190463641059 |
13 | 95a4ac54c0a |
14 | 47054cd59d3 |
15 | 23d17e8a366 |
hex | 12f31c54305 |
1302210102021 has 8 divisors (see below), whose sum is σ = 1737414224544. Its totient is φ = 867573023760.
The previous prime is 1302210101989. The next prime is 1302210102031. The reversal of 1302210102021 is 1202010122031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1302210102021 - 25 = 1302210101989 is a prime.
It is a super-3 number, since 3×13022101020213 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1302210102031) 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, 141755706 + ... + 141764891.
It is an arithmetic number, because the mean of its divisors is an integer number (217176778068).
Almost surely, 21302210102021 is an apocalyptic number.
It is an amenable number.
1302210102021 is a deficient number, since it is larger than the sum of its proper divisors (435204122523).
1302210102021 is a wasteful number, since it uses less digits than its factorization.
1302210102021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283522131.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 1302210102021 its reverse (1202010122031), we get a palindrome (2504220224052).
The spelling of 1302210102021 in words is "one trillion, three hundred two billion, two hundred ten million, one hundred two thousand, twenty-one".
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