Base | Representation |
---|---|
bin | 10010110001010010… |
… | …101001010011101001 |
3 | 1221000120220202020220 |
4 | 102301102221103221 |
5 | 312234001333301 |
6 | 13131521040253 |
7 | 1312304633454 |
oct | 226122512351 |
9 | 57016822226 |
10 | 20154324201 |
11 | 8602655090 |
12 | 3aa5786089 |
13 | 1b9265bb2b |
14 | d929b849b |
15 | 7ce5a1936 |
hex | 4b14a94e9 |
20154324201 has 8 divisors (see below), whose sum is σ = 29315380704. Its totient is φ = 12214741920.
The previous prime is 20154324181. The next prime is 20154324227. The reversal of 20154324201 is 10242345102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20154324201 - 225 = 20120769769 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20154324601) 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, 305368516 + ... + 305368581.
It is an arithmetic number, because the mean of its divisors is an integer number (3664422588).
Almost surely, 220154324201 is an apocalyptic number.
It is an amenable number.
20154324201 is a deficient number, since it is larger than the sum of its proper divisors (9161056503).
20154324201 is a wasteful number, since it uses less digits than its factorization.
20154324201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610737111.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 20154324201 its reverse (10242345102), we get a palindrome (30396669303).
The spelling of 20154324201 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, two hundred one".
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