Base | Representation |
---|---|
bin | 1001001001000001011010… |
… | …00000010110100000101001 |
3 | 2122011122201022220101122212 |
4 | 10210200231000112200221 |
5 | 10113314230203342301 |
6 | 110430210440254505 |
7 | 4143156344646062 |
oct | 444405500264051 |
9 | 78148638811585 |
10 | 20101202012201 |
11 | 644a965553752 |
12 | 23078b7a71435 |
13 | b2a6c5b407ab |
14 | 4d6c90bb3569 |
15 | 24cd298a74bb |
hex | 12482d016829 |
20101202012201 has 8 divisors (see below), whose sum is σ = 20300341348800. Its totient is φ = 19902064980400.
The previous prime is 20101202012173. The next prime is 20101202012219. The reversal of 20101202012201 is 10221020210102.
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 20101202012201 - 238 = 19826324105257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20101202012291) 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, 20897090 + ... + 21837828.
It is an arithmetic number, because the mean of its divisors is an integer number (2537542668600).
Almost surely, 220101202012201 is an apocalyptic number.
It is an amenable number.
20101202012201 is a deficient number, since it is larger than the sum of its proper divisors (199139336599).
20101202012201 is a wasteful number, since it uses less digits than its factorization.
20101202012201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1152399.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 20101202012201 its reverse (10221020210102), we get a palindrome (30322222222303).
The spelling of 20101202012201 in words is "twenty trillion, one hundred one billion, two hundred two million, twelve thousand, two hundred one".
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