Base | Representation |
---|---|
bin | 10010110001010001… |
… | …100001100000011010 |
3 | 1221000120100210211111 |
4 | 102301101201200122 |
5 | 312233412430411 |
6 | 13131510450534 |
7 | 1312302300160 |
oct | 226121414032 |
9 | 57016323744 |
10 | 20154030106 |
11 | 8602474131 |
12 | 3aa5663a4a |
13 | 1b92588002 |
14 | d9293d230 |
15 | 7ce544721 |
hex | 4b146181a |
20154030106 has 8 divisors (see below), whose sum is σ = 34549765920. Its totient is φ = 8637441468.
The previous prime is 20154030101. The next prime is 20154030161. The reversal of 20154030106 is 60103045102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20154030101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719786776 + ... + 719786803.
It is an arithmetic number, because the mean of its divisors is an integer number (4318720740).
Almost surely, 220154030106 is an apocalyptic number.
20154030106 is a deficient number, since it is larger than the sum of its proper divisors (14395735814).
20154030106 is a wasteful number, since it uses less digits than its factorization.
20154030106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1439573588.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 20154030106 its reverse (60103045102), we get a palindrome (80257075208).
The spelling of 20154030106 in words is "twenty billion, one hundred fifty-four million, thirty thousand, one hundred six".
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