Base | Representation |
---|---|
bin | 10101101101000011… |
… | …010100101111100100 |
3 | 2020011010101102101101 |
4 | 111231003110233210 |
5 | 340211413040140 |
6 | 14412250405444 |
7 | 1453335224224 |
oct | 255503245744 |
9 | 66133342341 |
10 | 23304424420 |
11 | 9979815aa2 |
12 | 4624730884 |
13 | 2275178a64 |
14 | 11b10d4084 |
15 | 915de499a |
hex | 56d0d4be4 |
23304424420 has 24 divisors (see below), whose sum is σ = 48962806200. Its totient is φ = 9317290752.
The previous prime is 23304424387. The next prime is 23304424421. The reversal of 23304424420 is 2442440332.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 12391697124 + 10912727296 = 111318^2 + 104464^2 .
It is not an unprimeable number, because it can be changed into a prime (23304424421) 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, 237115 + ... + 320674.
It is an arithmetic number, because the mean of its divisors is an integer number (2040116925).
Almost surely, 223304424420 is an apocalyptic number.
23304424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23304424420 is an abundant number, since it is smaller than the sum of its proper divisors (25658381780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23304424420 is a wasteful number, since it uses less digits than its factorization.
23304424420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559887 (or 559885 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 28.
Adding to 23304424420 its reverse (2442440332), we get a palindrome (25746864752).
The spelling of 23304424420 in words is "twenty-three billion, three hundred four million, four hundred twenty-four thousand, four hundred twenty".
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