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12025116445 = 52405023289
BaseRepresentation
bin10110011001100000…
…01011011100011101
31011001001101012122011
423030300023130131
5144111412211240
65305123551221
7603664542346
oct131460133435
934031335564
1012025116445
115110956a71
1223b722b511
131198419a24
148210b90cd
154a5a826ea
hex2ccc0b71d

12025116445 has 4 divisors (see below), whose sum is σ = 14430139740. Its totient is φ = 9620093152.

The previous prime is 12025116407. The next prime is 12025116449. The reversal of 12025116445 is 54461152021.

It is a happy number.

12025116445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54461152021 = 411328320781.

It can be written as a sum of positive squares in 2 ways, for example, as 4343996281 + 7681120164 = 65909^2 + 87642^2 .

It is a cyclic number.

It is not a de Polignac number, because 12025116445 - 27 = 12025116317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025116449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1202511640 + ... + 1202511649.

It is an arithmetic number, because the mean of its divisors is an integer number (3607534935).

Almost surely, 212025116445 is an apocalyptic number.

It is an amenable number.

12025116445 is a deficient number, since it is larger than the sum of its proper divisors (2405023295).

12025116445 is an equidigital number, since it uses as much as digits as its factorization.

12025116445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405023294.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 12025116445 its reverse (54461152021), we get a palindrome (66486268466).

The spelling of 12025116445 in words is "twelve billion, twenty-five million, one hundred sixteen thousand, four hundred forty-five".

Divisors: 1 5 2405023289 12025116445