| Base | Representation |
|---|---|
| bin | 10101010001011010… |
| … | …11100110100111000 |
| 3 | 1002110220112112000120 |
| 4 | 22220231130310320 |
| 5 | 141342111441212 |
| 6 | 5125123133240 |
| 7 | 553002660210 |
| oct | 125055346470 |
| 9 | 32426475016 |
| 10 | 11420421432 |
| 11 | 4930591722 |
| 12 | 2268814220 |
| 13 | 1100069124 |
| 14 | 7a4a6d240 |
| 15 | 46c93888c |
| hex | 2a8b5cd38 |
11420421432 has 128 divisors (see below), whose sum is σ = 34599882240. Its totient is φ = 3066531840.
The previous prime is 11420421407. The next prime is 11420421457. The reversal of 11420421432 is 23412402411.
11420421432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (11420421407) and next prime (11420421457).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2245132 + ... + 2250212.
It is an arithmetic number, because the mean of its divisors is an integer number (270311580).
Almost surely, 211420421432 is an apocalyptic number.
11420421432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11420421432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17299941120).
11420421432 is an abundant number, since it is smaller than the sum of its proper divisors (23179460808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11420421432 is a wasteful number, since it uses less digits than its factorization.
11420421432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5901 (or 5897 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 11420421432 its reverse (23412402411), we get a palindrome (34832823843).
The spelling of 11420421432 in words is "eleven billion, four hundred twenty million, four hundred twenty-one thousand, four hundred thirty-two".
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