Base | Representation |
---|---|
bin | 10010110001010010… |
… | …101001010100000110 |
3 | 1221000120220202021222 |
4 | 102301102221110012 |
5 | 312234001333410 |
6 | 13131521040342 |
7 | 1312304633525 |
oct | 226122512406 |
9 | 57016822258 |
10 | 20154324230 |
11 | 8602655107 |
12 | 3aa57860b2 |
13 | 1b9265bb51 |
14 | d929b84bc |
15 | 7ce5a1955 |
hex | 4b14a9506 |
20154324230 has 16 divisors (see below), whose sum is σ = 36283569840. Its totient is φ = 8060443872.
The previous prime is 20154324227. The next prime is 20154324263. The reversal of 20154324230 is 3242345102.
It is a self number, because there is not a number n which added to its sum of digits gives 20154324230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93560 + ... + 221499.
It is an arithmetic number, because the mean of its divisors is an integer number (2267723115).
Almost surely, 220154324230 is an apocalyptic number.
20154324230 is a deficient number, since it is larger than the sum of its proper divisors (16129245610).
20154324230 is a wasteful number, since it uses less digits than its factorization.
20154324230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321463.
The product of its (nonzero) digits is 5760, while the sum is 26.
Adding to 20154324230 its reverse (3242345102), we get a palindrome (23396669332).
The spelling of 20154324230 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, two hundred thirty".
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