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12664453114 = 28971148613
BaseRepresentation
bin10111100101101110…
…00011011111111010
31012200121101212200001
423302313003133322
5201414044444424
65452403103214
7625560034555
oct136267033772
935617355601
1012664453114
115409832085
122555371b0a
13126aa09251
14881d8169c
154e1c70844
hex2f2dc37fa

12664453114 has 8 divisors (see below), whose sum is σ = 19210125780. Its totient is φ = 6261077856.

The previous prime is 12664453111. The next prime is 12664453133. The reversal of 12664453114 is 41135446621.

It can be written as a sum of positive squares in 2 ways, for example, as 12138530625 + 525922489 = 110175^2 + 22933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12664453111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35574129 + ... + 35574484.

Almost surely, 212664453114 is an apocalyptic number.

12664453114 is a deficient number, since it is larger than the sum of its proper divisors (6545672666).

12664453114 is an equidigital number, since it uses as much as digits as its factorization.

12664453114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71148704.

The product of its digits is 69120, while the sum is 37.

Adding to 12664453114 its reverse (41135446621), we get a palindrome (53799899735).

The spelling of 12664453114 in words is "twelve billion, six hundred sixty-four million, four hundred fifty-three thousand, one hundred fourteen".

Divisors: 1 2 89 178 71148613 142297226 6332226557 12664453114