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14972405746 = 27486202873
BaseRepresentation
bin11011111000110110…
…01100011111110010
31102122110020000111011
431330123030133302
5221130413440441
610513410341134
71040013230464
oct157433143762
942573200434
1014972405746
116393595051
122a9a28a7aa
131547c070ac
14a206c0134
155c96b3581
hex37c6cc7f2

14972405746 has 4 divisors (see below), whose sum is σ = 22458608622. Its totient is φ = 7486202872.

The previous prime is 14972405743. The next prime is 14972405753. The reversal of 14972405746 is 64750427941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64750427941 = 132149016221.

It can be written as a sum of positive squares in only one way, i.e., 12471305625 + 2501100121 = 111675^2 + 50011^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 14972405746.

It is not an unprimeable number, because it can be changed into a prime (14972405743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743101435 + ... + 3743101438.

Almost surely, 214972405746 is an apocalyptic number.

14972405746 is a deficient number, since it is larger than the sum of its proper divisors (7486202876).

14972405746 is an equidigital number, since it uses as much as digits as its factorization.

14972405746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486202875.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 14972405746 in words is "fourteen billion, nine hundred seventy-two million, four hundred five thousand, seven hundred forty-six".

Divisors: 1 2 7486202873 14972405746