Base | Representation |
---|---|
bin | 10011111100111010… |
… | …010000101101011010 |
3 | 2001022000011011211122 |
4 | 103330322100231122 |
5 | 322333242003120 |
6 | 13501441125242 |
7 | 1355611333100 |
oct | 237472205532 |
9 | 61260134748 |
10 | 21423000410 |
11 | 90a37a8319 |
12 | 419a629822 |
13 | 203544a406 |
14 | 10732a3c70 |
15 | 855b55a25 |
hex | 4fce90b5a |
21423000410 has 48 divisors (see below), whose sum is σ = 44885759904. Its totient is φ = 7340342688.
The previous prime is 21423000409. The next prime is 21423000419. The reversal of 21423000410 is 1400032412.
It is a super-3 number, since 3×214230004103 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (21423000419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803717 + ... + 829943.
It is an arithmetic number, because the mean of its divisors is an integer number (935119998).
Almost surely, 221423000410 is an apocalyptic number.
21423000410 is an abundant number, since it is smaller than the sum of its proper divisors (23462759494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21423000410 is a wasteful number, since it uses less digits than its factorization.
21423000410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27915 (or 27908 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 21423000410 its reverse (1400032412), we get a palindrome (22823032822).
The spelling of 21423000410 in words is "twenty-one billion, four hundred twenty-three million, four hundred ten", and thus it is an aban number.
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