Base | Representation |
---|---|
bin | 10010101110010000… |
… | …001000010111001001 |
3 | 1220220000222010220210 |
4 | 102232100020113021 |
5 | 312132423131241 |
6 | 13122500111333 |
7 | 1311115341141 |
oct | 225620102711 |
9 | 56800863823 |
10 | 20103333321 |
11 | 8586897965 |
12 | 3a90695549 |
13 | 1b84c17706 |
14 | d89d03921 |
15 | 7c9d7d316 |
hex | 4ae4085c9 |
20103333321 has 16 divisors (see below), whose sum is σ = 27579856448. Its totient is φ = 13015857600.
The previous prime is 20103333227. The next prime is 20103333329. The reversal of 20103333321 is 12333330102.
It is not a de Polignac number, because 20103333321 - 210 = 20103332297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20103333329) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107335 + ... + 227436.
It is an arithmetic number, because the mean of its divisors is an integer number (1723741028).
Almost surely, 220103333321 is an apocalyptic number.
It is an amenable number.
20103333321 is a deficient number, since it is larger than the sum of its proper divisors (7476523127).
20103333321 is a wasteful number, since it uses less digits than its factorization.
20103333321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335352.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 20103333321 its reverse (12333330102), we get a palindrome (32436663423).
The spelling of 20103333321 in words is "twenty billion, one hundred three million, three hundred thirty-three thousand, three hundred twenty-one".
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