Base | Representation |
---|---|
bin | 10101111011001001… |
… | …110011110001101100 |
3 | 2020202121112222111122 |
4 | 111323021303301230 |
5 | 341202444133140 |
6 | 14451541240112 |
7 | 1462240146602 |
oct | 257311636154 |
9 | 66677488448 |
10 | 23541005420 |
11 | 9a90313889 |
12 | 468ba03038 |
13 | 22b21a060a |
14 | 11d46b9872 |
15 | 92ba77ab5 |
hex | 57b273c6c |
23541005420 has 24 divisors (see below), whose sum is σ = 49612052448. Its totient is φ = 9382889600.
The previous prime is 23541005413. The next prime is 23541005429. The reversal of 23541005420 is 2450014532.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 23541005420.
It is not an unprimeable number, because it can be changed into a prime (23541005429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088776 + ... + 2100015.
It is an arithmetic number, because the mean of its divisors is an integer number (2067168852).
Almost surely, 223541005420 is an apocalyptic number.
23541005420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23541005420 is an abundant number, since it is smaller than the sum of its proper divisors (26071047028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23541005420 is a wasteful number, since it uses less digits than its factorization.
23541005420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4189081 (or 4189079 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 23541005420 its reverse (2450014532), we get a palindrome (25991019952).
The spelling of 23541005420 in words is "twenty-three billion, five hundred forty-one million, five thousand, four hundred twenty".
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