Base | Representation |
---|---|
bin | 10010101111011011… |
… | …001111001100110010 |
3 | 1220221102000102212221 |
4 | 102233123033030302 |
5 | 312202443202010 |
6 | 13124442111254 |
7 | 1311444603001 |
oct | 225733171462 |
9 | 56842012787 |
10 | 20123022130 |
11 | 8596a15402 |
12 | 3a971ab52a |
13 | 1b8901c2b3 |
14 | d8c78ac38 |
15 | 7cb96bdda |
hex | 4af6cf332 |
20123022130 has 8 divisors (see below), whose sum is σ = 36221439852. Its totient is φ = 8049208848.
The previous prime is 20123022109. The next prime is 20123022163. The reversal of 20123022130 is 3122032102.
It can be written as a sum of positive squares in 2 ways, for example, as 18500624289 + 1622397841 = 136017^2 + 40279^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006151097 + ... + 1006151116.
Almost surely, 220123022130 is an apocalyptic number.
20123022130 is a deficient number, since it is larger than the sum of its proper divisors (16098417722).
20123022130 is a wasteful number, since it uses less digits than its factorization.
20123022130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2012302220.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20123022130 its reverse (3122032102), we get a palindrome (23245054232).
The spelling of 20123022130 in words is "twenty billion, one hundred twenty-three million, twenty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •