Base | Representation |
---|---|
bin | 101111101011001110… |
… | …0100001110101010011 |
3 | 100210021011220001102121 |
4 | 1133112130201311103 |
5 | 3134134301110033 |
6 | 115011134355111 |
7 | 10253060033365 |
oct | 1372634416523 |
9 | 323234801377 |
10 | 102382050643 |
11 | 3a468aa8aa4 |
12 | 17a1365ba97 |
13 | 9868182472 |
14 | 4d5356ad35 |
15 | 29e341762d |
hex | 17d6721d53 |
102382050643 has 4 divisors (see below), whose sum is σ = 102382709560. Its totient is φ = 102381391728.
The previous prime is 102382050629. The next prime is 102382050647. The reversal of 102382050643 is 346050283201.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102382050643 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102382050599 and 102382050608.
It is not an unprimeable number, because it can be changed into a prime (102382050647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46996 + ... + 454942.
It is an arithmetic number, because the mean of its divisors is an integer number (25595677390).
Almost surely, 2102382050643 is an apocalyptic number.
102382050643 is a deficient number, since it is larger than the sum of its proper divisors (658917).
102382050643 is an equidigital number, since it uses as much as digits as its factorization.
102382050643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658916.
The product of its (nonzero) digits is 34560, while the sum is 34.
The spelling of 102382050643 in words is "one hundred two billion, three hundred eighty-two million, fifty thousand, six hundred forty-three".
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