Search a number
-
+
12790425140893 = 39732217695569
BaseRepresentation
bin1011101000100000000010…
…1111110011111010011101
31200021202022201102121022201
42322020000233303322131
53134024242314002033
643111501252011501
72460035441604301
oct272100057637235
950252281377281
1012790425140893
1140914306011a4
121526a53600b91
1371a193a8374a
143230ba44bd01
15172a9583247d
hexba200bf3e9d

12790425140893 has 4 divisors (see below), whose sum is σ = 12822642836860. Its totient is φ = 12758207444928.

The previous prime is 12790425140891. The next prime is 12790425140897. The reversal of 12790425140893 is 39804152409721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6997363434009 + 5793061706884 = 2645253^2 + 2406878^2 .

It is a cyclic number.

It is not a de Polignac number, because 12790425140893 - 21 = 12790425140891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790425140891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16108847388 + ... + 16108848181.

It is an arithmetic number, because the mean of its divisors is an integer number (3205660709215).

Almost surely, 212790425140893 is an apocalyptic number.

It is an amenable number.

12790425140893 is a deficient number, since it is larger than the sum of its proper divisors (32217695967).

12790425140893 is an equidigital number, since it uses as much as digits as its factorization.

12790425140893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32217695966.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 12790425140893 in words is "twelve trillion, seven hundred ninety billion, four hundred twenty-five million, one hundred forty thousand, eight hundred ninety-three".

Divisors: 1 397 32217695569 12790425140893