Base | Representation |
---|---|
bin | 10011111100010000… |
… | …101110111001010010 |
3 | 2001021020200002111100 |
4 | 103330100232321102 |
5 | 322323000122002 |
6 | 13500411525230 |
7 | 1355416652226 |
oct | 237420567122 |
9 | 61236602440 |
10 | 21412114002 |
11 | 9098642194 |
12 | 4196a59816 |
13 | 2033108256 |
14 | 1071a6c786 |
15 | 854c0511c |
hex | 4fc42ee52 |
21412114002 has 24 divisors (see below), whose sum is σ = 46417703436. Its totient is φ = 7133557536.
The previous prime is 21412114001. The next prime is 21412114007. The reversal of 21412114002 is 20041121412.
It can be written as a sum of positive squares in 2 ways, for example, as 19257390441 + 2154723561 = 138771^2 + 46419^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (21412114001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283093 + ... + 350664.
Almost surely, 221412114002 is an apocalyptic number.
21412114002 is an abundant number, since it is smaller than the sum of its proper divisors (25005589434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21412114002 is a wasteful number, since it uses less digits than its factorization.
21412114002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635642 (or 635639 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 21412114002 its reverse (20041121412), we get a palindrome (41453235414).
The spelling of 21412114002 in words is "twenty-one billion, four hundred twelve million, one hundred fourteen thousand, two".
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