Base | Representation |
---|---|
bin | 101111011111111111… |
… | …1000111011001010001 |
3 | 100202021220212011100122 |
4 | 1132333333013121101 |
5 | 3132401320211200 |
6 | 114505514200025 |
7 | 10240533150263 |
oct | 1367777073121 |
9 | 322256764318 |
10 | 102005241425 |
11 | 3a29533271a |
12 | 17929423015 |
13 | 98080a0729 |
14 | 4d194c1b33 |
15 | 29c02d5385 |
hex | 17bffc7651 |
102005241425 has 12 divisors (see below), whose sum is σ = 126750577920. Its totient is φ = 81433819920.
The previous prime is 102005241421. The next prime is 102005241439. The reversal of 102005241425 is 524142500201.
It is not a de Polignac number, because 102005241425 - 22 = 102005241421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102005241394 and 102005241403.
It is not an unprimeable number, because it can be changed into a prime (102005241421) 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, 4247117 + ... + 4271066.
It is an arithmetic number, because the mean of its divisors is an integer number (10562548160).
Almost surely, 2102005241425 is an apocalyptic number.
It is an amenable number.
102005241425 is a deficient number, since it is larger than the sum of its proper divisors (24745336495).
102005241425 is an equidigital number, since it uses as much as digits as its factorization.
102005241425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8518672 (or 8518667 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 102005241425 its reverse (524142500201), we get a palindrome (626147741626).
The spelling of 102005241425 in words is "one hundred two billion, five million, two hundred forty-one thousand, four hundred twenty-five".
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