Base | Representation |
---|---|
bin | 11101011001011000100… |
… | …110100011010000101110 |
3 | 21011010021201022011101020 |
4 | 131121120212203100232 |
5 | 231044202002130110 |
6 | 4144010354355010 |
7 | 265643325200523 |
oct | 35313046432056 |
9 | 7133251264336 |
10 | 2020121130030 |
11 | 709801793673 |
12 | 28761a58ba66 |
13 | 11865c070383 |
14 | 6dabaca714a |
15 | 378346c3d70 |
hex | 1d6589a342e |
2020121130030 has 16 divisors (see below), whose sum is σ = 4848290712144. Its totient is φ = 538698968000.
The previous prime is 2020121130011. The next prime is 2020121130043. The reversal of 2020121130030 is 300311210202.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2020121129991 and 2020121130009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33668685471 + ... + 33668685530.
It is an arithmetic number, because the mean of its divisors is an integer number (303018169509).
Almost surely, 22020121130030 is an apocalyptic number.
2020121130030 is an abundant number, since it is smaller than the sum of its proper divisors (2828169582114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020121130030 is a wasteful number, since it uses less digits than its factorization.
2020121130030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67337371011.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 2020121130030 its reverse (300311210202), we get a palindrome (2320432340232).
The spelling of 2020121130030 in words is "two trillion, twenty billion, one hundred twenty-one million, one hundred thirty thousand, thirty".
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