Base | Representation |
---|---|
bin | 10010101110101010… |
… | …110111010101000000 |
3 | 1220220112011012020202 |
4 | 102232222313111000 |
5 | 312141221411230 |
6 | 13123310224332 |
7 | 1311232040030 |
oct | 225652672500 |
9 | 56815135222 |
10 | 20110341440 |
11 | 858a8441a2 |
12 | 3a92ab50a8 |
13 | 1b864cc527 |
14 | d8ac098c0 |
15 | 7ca7b4a45 |
hex | 4aeab7540 |
20110341440 has 56 divisors (see below), whose sum is σ = 54728863872. Its totient is φ = 6894973440.
The previous prime is 20110341439. The next prime is 20110341457. The reversal of 20110341440 is 4414301102.
It is a tau number, because it is divible by the number of its divisors (56).
It is a Harshad number since it is a multiple of its sum of digits (20).
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 7 ways as a sum of consecutive naturals, for example, 4486676 + ... + 4491155.
Almost surely, 220110341440 is an apocalyptic number.
20110341440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20110341440 is an abundant number, since it is smaller than the sum of its proper divisors (34618522432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110341440 is an equidigital number, since it uses as much as digits as its factorization.
20110341440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8977855 (or 8977845 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20110341440 its reverse (4414301102), we get a palindrome (24524642542).
The spelling of 20110341440 in words is "twenty billion, one hundred ten million, three hundred forty-one thousand, four hundred forty".
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