Base | Representation |
---|---|
bin | 1001000110011101101100… |
… | …01111000001011010100010 |
3 | 2121212020211222121202011210 |
4 | 10203032312033001122202 |
5 | 10110344224331221310 |
6 | 110321553202050550 |
7 | 4133625323243421 |
oct | 443166617013242 |
9 | 77766758552153 |
10 | 20013310023330 |
11 | 6416662842618 |
12 | 22b2869049a56 |
13 | b223299828a0 |
14 | 4d2913c492b8 |
15 | 24a8d3626820 |
hex | 1233b63c16a2 |
20013310023330 has 128 divisors (see below), whose sum is σ = 52387223454720. Its totient is φ = 4863460792320.
The previous prime is 20013310023271. The next prime is 20013310023331. The reversal of 20013310023330 is 3332001331002.
It is a junction number, because it is equal to n+sod(n) for n = 20013310023297 and 20013310023306.
It is not an unprimeable number, because it can be changed into a prime (20013310023331) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330653470 + ... + 330713990.
It is an arithmetic number, because the mean of its divisors is an integer number (409275183240).
Almost surely, 220013310023330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20013310023330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26193611727360).
20013310023330 is an abundant number, since it is smaller than the sum of its proper divisors (32373913431390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013310023330 is a wasteful number, since it uses less digits than its factorization.
20013310023330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71356.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 20013310023330 its reverse (3332001331002), we get a palindrome (23345311354332).
The spelling of 20013310023330 in words is "twenty trillion, thirteen billion, three hundred ten million, twenty-three thousand, three hundred thirty".
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