Base | Representation |
---|---|
bin | 10011001001010101010100… |
… | …00010001010111100000001 |
3 | 12112001220221021120122021011 |
4 | 21210222222002022330001 |
5 | 21004300121231144301 |
6 | 225313240425000521 |
7 | 11603530556250526 |
oct | 1144525202127401 |
9 | 175056837518234 |
10 | 42102122131201 |
11 | 124624563855a0 |
12 | 487b80b623141 |
13 | 1a652a01a78b2 |
14 | a57a79b9714d |
15 | 4d028d3bda51 |
hex | 264aaa08af01 |
42102122131201 has 8 divisors (see below), whose sum is σ = 47513366668800. Its totient is φ = 36954840741840.
The previous prime is 42102122131169. The next prime is 42102122131217. The reversal of 42102122131201 is 10213122120124.
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 42102122131201 - 25 = 42102122131169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42102122131801) 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, 65990786721 + ... + 65990787358.
It is an arithmetic number, because the mean of its divisors is an integer number (5939170833600).
Almost surely, 242102122131201 is an apocalyptic number.
It is an amenable number.
42102122131201 is a deficient number, since it is larger than the sum of its proper divisors (5411244537599).
42102122131201 is a wasteful number, since it uses less digits than its factorization.
42102122131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131981574119.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 42102122131201 its reverse (10213122120124), we get a palindrome (52315244251325).
The spelling of 42102122131201 in words is "forty-two trillion, one hundred two billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred one".
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