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12418661362 = 26209330681
BaseRepresentation
bin10111001000011010…
…11011101111110010
31012001110220100202211
423210031123233302
5200413134130422
65412143002334
7616513610542
oct134415335762
935043810684
1012418661362
1152a30130a8
1224a6b993aa
13122bb0b143
1485b47d322
154ca3bd577
hex2e435bbf2

12418661362 has 4 divisors (see below), whose sum is σ = 18627992046. Its totient is φ = 6209330680.

The previous prime is 12418661351. The next prime is 12418661399. The reversal of 12418661362 is 26316681421.

It is a happy number.

12418661362 is digitally balanced in base 5, 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: 26316681421 = 43612015847.

It can be written as a sum of positive squares in only one way, i.e., 11590890921 + 827770441 = 107661^2 + 28771^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104665339 + ... + 3104665342.

Almost surely, 212418661362 is an apocalyptic number.

12418661362 is a deficient number, since it is larger than the sum of its proper divisors (6209330684).

12418661362 is an equidigital number, since it uses as much as digits as its factorization.

12418661362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209330683.

The product of its digits is 82944, while the sum is 40.

The spelling of 12418661362 in words is "twelve billion, four hundred eighteen million, six hundred sixty-one thousand, three hundred sixty-two".

Divisors: 1 2 6209330681 12418661362