Base | Representation |
---|---|
bin | 1001001001110111011110… |
… | …01101011011010011111110 |
3 | 2122021102122100020011002120 |
4 | 10210323233031123103332 |
5 | 10114303202341222142 |
6 | 110451411111303410 |
7 | 4145234602660311 |
oct | 444735715332376 |
9 | 78242570204076 |
10 | 20130230023422 |
11 | 6461201066172 |
12 | 231145937ab66 |
13 | b30370a253ac |
14 | 4d84460c2978 |
15 | 24d977ed47ec |
hex | 124eef35b4fe |
20130230023422 has 16 divisors (see below), whose sum is σ = 40260966615552. Its totient is φ = 6709992246360.
The previous prime is 20130230023381. The next prime is 20130230023427. The reversal of 20130230023422 is 22432003203102.
It is a junction number, because it is equal to n+sod(n) for n = 20130230023392 and 20130230023401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130230023427) 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, 20589454 + ... + 21544977.
It is an arithmetic number, because the mean of its divisors is an integer number (2516310413472).
Almost surely, 220130230023422 is an apocalyptic number.
20130230023422 is an abundant number, since it is smaller than the sum of its proper divisors (20130736592130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130230023422 is a wasteful number, since it uses less digits than its factorization.
20130230023422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42214063.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 20130230023422 its reverse (22432003203102), we get a palindrome (42562233226524).
The spelling of 20130230023422 in words is "twenty trillion, one hundred thirty billion, two hundred thirty million, twenty-three thousand, four hundred twenty-two".
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