Base | Representation |
---|---|
bin | 10010101110001111… |
… | …110010101000100011 |
3 | 1220220000210121211120 |
4 | 102232033302220203 |
5 | 312132412304243 |
6 | 13122454143323 |
7 | 1311114520521 |
oct | 225617625043 |
9 | 56800717746 |
10 | 20103244323 |
11 | 8586837008 |
12 | 3a90651b43 |
13 | 1b84bb6056 |
14 | d89cbd311 |
15 | 7c9d61c83 |
hex | 4ae3f2a23 |
20103244323 has 32 divisors (see below), whose sum is σ = 28451243520. Its totient is φ = 12600614400.
The previous prime is 20103244307. The next prime is 20103244331. The reversal of 20103244323 is 32344230102.
It is not a de Polignac number, because 20103244323 - 24 = 20103244307 is a prime.
It is a super-3 number, since 3×201032443233 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20103244293 and 20103244302.
It is not an unprimeable number, because it can be changed into a prime (20103244303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 958315 + ... + 979067.
It is an arithmetic number, because the mean of its divisors is an integer number (889101360).
Almost surely, 220103244323 is an apocalyptic number.
20103244323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20103244323 is a deficient number, since it is larger than the sum of its proper divisors (8347999197).
20103244323 is a wasteful number, since it uses less digits than its factorization.
20103244323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21019.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 20103244323 its reverse (32344230102), we get a palindrome (52447474425).
The spelling of 20103244323 in words is "twenty billion, one hundred three million, two hundred forty-four thousand, three hundred twenty-three".
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