Base | Representation |
---|---|
bin | 101111101101000100… |
… | …1100111100000100101 |
3 | 100210102111211200002111 |
4 | 1133122021213200211 |
5 | 3134301203431041 |
6 | 115021234441021 |
7 | 10254443230630 |
oct | 1373211474045 |
9 | 323374750074 |
10 | 102444202021 |
11 | 3a4a0099277 |
12 | 17a30433171 |
13 | 9878003725 |
14 | 4d5b908c17 |
15 | 29e8ae2981 |
hex | 17da267825 |
102444202021 has 8 divisors (see below), whose sum is σ = 117274550400. Its totient is φ = 87662719248.
The previous prime is 102444202001. The next prime is 102444202057. The reversal of 102444202021 is 120202444201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102444202021 - 25 = 102444201989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102444201983 and 102444202001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102444202001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12211906 + ... + 12220291.
It is an arithmetic number, because the mean of its divisors is an integer number (14659318800).
Almost surely, 2102444202021 is an apocalyptic number.
It is an amenable number.
102444202021 is a deficient number, since it is larger than the sum of its proper divisors (14830348379).
102444202021 is an equidigital number, since it uses as much as digits as its factorization.
102444202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24432803.
The product of its (nonzero) digits is 1024, while the sum is 22.
Adding to 102444202021 its reverse (120202444201), we get a palindrome (222646646222).
The spelling of 102444202021 in words is "one hundred two billion, four hundred forty-four million, two hundred two thousand, twenty-one".
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