Base | Representation |
---|---|
bin | 1001001111000110100011… |
… | …00000000010011000101010 |
3 | 2122220121222012100120101220 |
4 | 10213203101200002120222 |
5 | 10130230111233241020 |
6 | 111110201310322510 |
7 | 4164233466232446 |
oct | 447432140023052 |
9 | 78817865316356 |
10 | 20310120212010 |
11 | 6520523415412 |
12 | 23402a21b9436 |
13 | b4430b99c375 |
14 | 50302d495826 |
15 | 2534a5c4b240 |
hex | 1278d180262a |
20310120212010 has 32 divisors (see below), whose sum is σ = 50863605402240. Its totient is φ = 5180552401728.
The previous prime is 20310120211991. The next prime is 20310120212149. The reversal of 20310120212010 is 1021202101302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14717477725 + ... + 14717479104.
It is an arithmetic number, because the mean of its divisors is an integer number (1589487668820).
Almost surely, 220310120212010 is an apocalyptic number.
20310120212010 is an abundant number, since it is smaller than the sum of its proper divisors (30553485190230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310120212010 is a wasteful number, since it uses less digits than its factorization.
20310120212010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29434956862.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20310120212010 its reverse (1021202101302), we get a palindrome (21331322313312).
The spelling of 20310120212010 in words is "twenty trillion, three hundred ten billion, one hundred twenty million, two hundred twelve thousand, ten".
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