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20045067425 = 522393354823
BaseRepresentation
bin10010101010110001…
…110111010010100001
31220201222022221010122
4102222301313102201
5312023014124200
613113015210025
71306510155545
oct225261672241
956658287118
1020045067425
118556a10929
123a75076915
131b75b26b56
14d82297a25
157c4bbe385
hex4aac774a1

20045067425 has 12 divisors (see below), whose sum is σ = 24959890560. Its totient is φ = 15968952720.

The previous prime is 20045067397. The next prime is 20045067451. The reversal of 20045067425 is 52476054002.

It is not a de Polignac number, because 20045067425 - 214 = 20045051041 is a prime.

It is a super-2 number, since 2×200450674252 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1671437 + ... + 1683386.

It is an arithmetic number, because the mean of its divisors is an integer number (2079990880).

Almost surely, 220045067425 is an apocalyptic number.

20045067425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20045067425 is a deficient number, since it is larger than the sum of its proper divisors (4914823135).

20045067425 is a wasteful number, since it uses less digits than its factorization.

20045067425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355072 (or 3355067 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 20045067425 in words is "twenty billion, forty-five million, sixty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 239 1195 5975 3354823 16774115 83870575 801802697 4009013485 20045067425