Base | Representation |
---|---|
bin | 10011111101100100… |
… | …001110101111101010 |
3 | 2001022202212010202010 |
4 | 103331210032233222 |
5 | 322344101034120 |
6 | 13502513020350 |
7 | 1356104004642 |
oct | 237544165752 |
9 | 61282763663 |
10 | 21434002410 |
11 | 90a9a32287 |
12 | 41a22546b6 |
13 | 2037800082 |
14 | 1074929522 |
15 | 856aca7e0 |
hex | 4fd90ebea |
21434002410 has 64 divisors (see below), whose sum is σ = 54170524800. Its totient is φ = 5412759552.
The previous prime is 21434002393. The next prime is 21434002411. The reversal of 21434002410 is 1420043412.
21434002410 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (21434002411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827846 + ... + 1839534.
It is an arithmetic number, because the mean of its divisors is an integer number (846414450).
Almost surely, 221434002410 is an apocalyptic number.
21434002410 is an abundant number, since it is smaller than the sum of its proper divisors (32736522390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21434002410 is a wasteful number, since it uses less digits than its factorization.
21434002410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14935.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 21434002410 its reverse (1420043412), we get a palindrome (22854045822).
The spelling of 21434002410 in words is "twenty-one billion, four hundred thirty-four million, two thousand, four hundred ten".
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