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20112053625 = 33535959127
BaseRepresentation
bin10010101110110001…
…011001010101111001
31220220122101011221000
4102232301121111321
5312142141204000
613123411035213
71311252430566
oct225661312571
956818334830
1020112053625
118590803624
123a9359bb09
131b8697b961
14d8b13386d
157caa02000
hex4aec59579

20112053625 has 32 divisors (see below), whose sum is σ = 37184958720. Its totient is φ = 10726426800.

The previous prime is 20112053597. The next prime is 20112053627. The reversal of 20112053625 is 52635021102.

It is a happy number.

20112053625 is a `hidden beast` number, since 2 + 0 + 1 + 120 + 536 + 2 + 5 = 666.

It is not a de Polignac number, because 20112053625 - 27 = 20112053497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112053627) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2976189 + ... + 2982938.

It is an arithmetic number, because the mean of its divisors is an integer number (1162029960).

Almost surely, 220112053625 is an apocalyptic number.

20112053625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20112053625 is a deficient number, since it is larger than the sum of its proper divisors (17072905095).

20112053625 is an equidigital number, since it uses as much as digits as its factorization.

20112053625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959151 (or 5959135 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 20112053625 its reverse (52635021102), we get a palindrome (72747074727).

The spelling of 20112053625 in words is "twenty billion, one hundred twelve million, fifty-three thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 125 135 225 375 675 1125 3375 5959127 17877381 29795635 53632143 89386905 148978175 160896429 268160715 446934525 744890875 804482145 1340803575 2234672625 4022410725 6704017875 20112053625