Base | Representation |
---|---|
bin | 10010101111011100… |
… | …000111001011010110 |
3 | 1220221102110002101221 |
4 | 102233130013023112 |
5 | 312203023021124 |
6 | 13124451040554 |
7 | 1311446546320 |
oct | 225734071326 |
9 | 56842402357 |
10 | 20123251414 |
11 | 85970616a2 |
12 | 3a972a015a |
13 | 1b8909c776 |
14 | d8c80a610 |
15 | 7cb9b4ce4 |
hex | 4af7072d6 |
20123251414 has 16 divisors (see below), whose sum is σ = 34532335008. Its totient is φ = 8615417472.
The previous prime is 20123251411. The next prime is 20123251429. The reversal of 20123251414 is 41415232102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20123251411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721929 + ... + 749284.
It is an arithmetic number, because the mean of its divisors is an integer number (2158270938).
Almost surely, 220123251414 is an apocalyptic number.
20123251414 is a deficient number, since it is larger than the sum of its proper divisors (14409083594).
20123251414 is a wasteful number, since it uses less digits than its factorization.
20123251414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1472199.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 20123251414 its reverse (41415232102), we get a palindrome (61538483516).
The spelling of 20123251414 in words is "twenty billion, one hundred twenty-three million, two hundred fifty-one thousand, four hundred fourteen".
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