Base | Representation |
---|---|
bin | 101111100000011100… |
… | …0100101001000100011 |
3 | 100202022222012111022020 |
4 | 1133000320211020203 |
5 | 3132414144233233 |
6 | 114511213112523 |
7 | 10241105200560 |
oct | 1370070451043 |
9 | 322288174266 |
10 | 102020305443 |
11 | 3a2a2891521 |
12 | 17932488743 |
13 | 980b246254 |
14 | 4d1b4c3867 |
15 | 29c17ad9b3 |
hex | 17c0e25223 |
102020305443 has 32 divisors (see below), whose sum is σ = 160845619200. Its totient is φ = 56278164096.
The previous prime is 102020305411. The next prime is 102020305483. The reversal of 102020305443 is 344503020201.
It is not a de Polignac number, because 102020305443 - 25 = 102020305411 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102020305483) 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, 6343230 + ... + 6359292.
It is an arithmetic number, because the mean of its divisors is an integer number (5026425600).
Almost surely, 2102020305443 is an apocalyptic number.
102020305443 is a deficient number, since it is larger than the sum of its proper divisors (58825313757).
102020305443 is a wasteful number, since it uses less digits than its factorization.
102020305443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26531.
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 102020305443 its reverse (344503020201), we get a palindrome (446523325644).
The spelling of 102020305443 in words is "one hundred two billion, twenty million, three hundred five thousand, four hundred forty-three".
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