Base | Representation |
---|---|
bin | 10011111100111011… |
… | …000001111111111101 |
3 | 2001022000112102210002 |
4 | 103330323001333331 |
5 | 322333314433201 |
6 | 13501445324045 |
7 | 1355613133514 |
oct | 237473017775 |
9 | 61260472702 |
10 | 21423202301 |
11 | 90a3925a76 |
12 | 419a706625 |
13 | 20354bb287 |
14 | 107331767b |
15 | 855b9576b |
hex | 4fcec1ffd |
21423202301 has 8 divisors (see below), whose sum is σ = 21942560640. Its totient is φ = 20904805152.
The previous prime is 21423202291. The next prime is 21423202319. The reversal of 21423202301 is 10320232412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21423202301 - 26 = 21423202237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21423202321) 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, 195080 + ... + 284433.
It is an arithmetic number, because the mean of its divisors is an integer number (2742820080).
Almost surely, 221423202301 is an apocalyptic number.
It is an amenable number.
21423202301 is a deficient number, since it is larger than the sum of its proper divisors (519358339).
21423202301 is a wasteful number, since it uses less digits than its factorization.
21423202301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480595.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 21423202301 its reverse (10320232412), we get a palindrome (31743434713).
The spelling of 21423202301 in words is "twenty-one billion, four hundred twenty-three million, two hundred two thousand, three hundred one".
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