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505003028025 = 35241164228627
BaseRepresentation
bin1110101100101001000…
…01101010111000111001
31210021111112021212110210
413112110201222320321
531233221233344100
61023554543301333
751325305625026
oct7262441527071
91707445255423
10505003028025
11185197053501
1281a585aa849
13388107c99a2
141a62987254d
15d209e86c50
hex759486ae39

505003028025 has 24 divisors (see below), whose sum is σ = 855302694624. Its totient is φ = 262765801600.

The previous prime is 505003028021. The next prime is 505003028071. The reversal of 505003028025 is 520820300505.

It is not a de Polignac number, because 505003028025 - 22 = 505003028021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505003027983 and 505003028001.

It is not an unprimeable number, because it can be changed into a prime (505003028021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82111239 + ... + 82117388.

It is an arithmetic number, because the mean of its divisors is an integer number (35637612276).

Almost surely, 2505003028025 is an apocalyptic number.

It is an amenable number.

505003028025 is a deficient number, since it is larger than the sum of its proper divisors (350299666599).

505003028025 is a wasteful number, since it uses less digits than its factorization.

505003028025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164228681 (or 164228676 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 505003028025 in words is "five hundred five billion, three million, twenty-eight thousand, twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 164228627 492685881 821143135 2463429405 4105715675 6733373707 12317147025 20200121121 33666868535 101000605605 168334342675 505003028025