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42005030225 = 5231266320353
BaseRepresentation
bin100111000111101100…
…011110010101010001
311000102101212121220012
4213013230132111101
51142011241431400
631144041324305
73014631602654
oct470754362521
9130371777805
1042005030225
11168a5820a14
128183496695
133c6559b392
1420669b589b
15115ca3ed35
hex9c7b1e551

42005030225 has 24 divisors (see below), whose sum is σ = 53789271552. Its totient is φ = 32506214400.

The previous prime is 42005030189. The next prime is 42005030237. The reversal of 42005030225 is 52203050024.

It is not a de Polignac number, because 42005030225 - 26 = 42005030161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42005030225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2053649 + ... + 2074001.

It is an arithmetic number, because the mean of its divisors is an integer number (2241219648).

Almost surely, 242005030225 is an apocalyptic number.

It is an amenable number.

42005030225 is a deficient number, since it is larger than the sum of its proper divisors (11784241327).

42005030225 is a wasteful number, since it uses less digits than its factorization.

42005030225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23057 (or 23052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 42005030225 its reverse (52203050024), we get a palindrome (94208080249).

The spelling of 42005030225 in words is "forty-two billion, five million, thirty thousand, two hundred twenty-five".

Divisors: 1 5 25 31 155 775 2663 13315 20353 66575 82553 101765 412765 508825 630943 2063825 3154715 15773575 54200039 271000195 1355000975 1680201209 8401006045 42005030225