Base | Representation |
---|---|
bin | 10011111100001001… |
… | …111001011001010001 |
3 | 2001021010022001022221 |
4 | 103330021321121101 |
5 | 322322020301001 |
6 | 13500305301041 |
7 | 1355365506565 |
oct | 237411713121 |
9 | 61233261287 |
10 | 21410322001 |
11 | 90976288a2 |
12 | 4196334781 |
13 | 203292b6b3 |
14 | 10717236a5 |
15 | 85499e1a1 |
hex | 4fc279651 |
21410322001 has 4 divisors (see below), whose sum is σ = 21711875904. Its totient is φ = 21108768100.
The previous prime is 21410321983. The next prime is 21410322029. The reversal of 21410322001 is 10022301412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 21410322001 - 213 = 21410313809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21410322071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150776845 + ... + 150776986.
It is an arithmetic number, because the mean of its divisors is an integer number (5427968976).
Almost surely, 221410322001 is an apocalyptic number.
It is an amenable number.
21410322001 is a deficient number, since it is larger than the sum of its proper divisors (301553903).
21410322001 is an equidigital number, since it uses as much as digits as its factorization.
21410322001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301553902.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 21410322001 its reverse (10022301412), we get a palindrome (31432623413).
The spelling of 21410322001 in words is "twenty-one billion, four hundred ten million, three hundred twenty-two thousand, one".
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