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630250256225 = 52229745914759
BaseRepresentation
bin10010010101111011101…
…01111011011101100001
32020020210020001021212102
421022331311323131201
540311223031144400
61201311042140145
763351121533602
oct11127565733541
92206706037772
10630250256225
11223318925857
12a2191651655
1347580b247c5
142270ba33da9
15115da92b9d5
hex92bdd7b761

630250256225 has 24 divisors (see below), whose sum is σ = 785081448000. Its totient is φ = 501897147840.

The previous prime is 630250256221. The next prime is 630250256227. The reversal of 630250256225 is 522652052036.

It is not a de Polignac number, because 630250256225 - 22 = 630250256221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630250256221) 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, 42695396 + ... + 42710154.

It is an arithmetic number, because the mean of its divisors is an integer number (32711727000).

Almost surely, 2630250256225 is an apocalyptic number.

It is an amenable number.

630250256225 is a deficient number, since it is larger than the sum of its proper divisors (154831191775).

630250256225 is a wasteful number, since it uses less digits than its factorization.

630250256225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457 (or 22452 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 630250256225 in words is "six hundred thirty billion, two hundred fifty million, two hundred fifty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 229 1145 5725 7459 14759 37295 73795 186475 368975 1708111 3379811 8540555 16899055 42702775 84495275 110087381 550436905 2752184525 25210010249 126050051245 630250256225