Base | Representation |
---|---|
bin | 101111011111110111… |
… | …0111100001111100011 |
3 | 100202021121212202012021 |
4 | 1132333232330033203 |
5 | 3132344224021233 |
6 | 114505243242311 |
7 | 10240452130645 |
oct | 1367756741743 |
9 | 322247782167 |
10 | 102001001443 |
11 | 3a2929a7100 |
12 | 17927b19397 |
13 | 9807247873 |
14 | 4d18ada895 |
15 | 29bec48e2d |
hex | 17bfbbc3e3 |
102001001443 has 12 divisors (see below), whose sum is σ = 113536013920. Its totient is φ = 91554400080.
The previous prime is 102001001437. The next prime is 102001001483. The reversal of 102001001443 is 344100100201.
It is not a de Polignac number, because 102001001443 - 25 = 102001001411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102001001483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5325780 + ... + 5344897.
Almost surely, 2102001001443 is an apocalyptic number.
102001001443 is a deficient number, since it is larger than the sum of its proper divisors (11535012477).
102001001443 is a wasteful number, since it uses less digits than its factorization.
102001001443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10670778 (or 10670767 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 102001001443 its reverse (344100100201), we get a palindrome (446101101644).
The spelling of 102001001443 in words is "one hundred two billion, one million, one thousand, four hundred forty-three".
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