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102005241425 = 524798518183
BaseRepresentation
bin101111011111111111…
…1000111011001010001
3100202021220212011100122
41132333333013121101
53132401320211200
6114505514200025
710240533150263
oct1367777073121
9322256764318
10102005241425
113a29533271a
1217929423015
1398080a0729
144d194c1b33
1529c02d5385
hex17bffc7651

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".

Divisors: 1 5 25 479 2395 11975 8518183 42590915 212954575 4080209657 20401048285 102005241425