Base | Representation |
---|---|
bin | 10011000001010100… |
… | …000110110000001011 |
3 | 1221201022202010111220 |
4 | 103001110012300023 |
5 | 313311311024121 |
6 | 13214322453123 |
7 | 1322050563150 |
oct | 230124066013 |
9 | 57638663456 |
10 | 20423142411 |
11 | 87303711a1 |
12 | 3b5b8041a3 |
13 | 1c0625ca69 |
14 | dba592227 |
15 | 7e7ea16c6 |
hex | 4c1506c0b |
20423142411 has 16 divisors (see below), whose sum is σ = 31406496000. Its totient is φ = 11563298208.
The previous prime is 20423142373. The next prime is 20423142419. The reversal of 20423142411 is 11424132402.
It is not a de Polignac number, because 20423142411 - 215 = 20423109643 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20423142419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458861 + ... + 4463438.
It is an arithmetic number, because the mean of its divisors is an integer number (1962906000).
Almost surely, 220423142411 is an apocalyptic number.
20423142411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
20423142411 is a deficient number, since it is larger than the sum of its proper divisors (10983353589).
20423142411 is a wasteful number, since it uses less digits than its factorization.
20423142411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8922418.
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 20423142411 its reverse (11424132402), we get a palindrome (31847274813).
It can be divided in two parts, 204231 and 42411, that added together give a palindrome (246642).
The spelling of 20423142411 in words is "twenty billion, four hundred twenty-three million, one hundred forty-two thousand, four hundred eleven".
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