Search a number
-
+
12110435641 = 29417601229
BaseRepresentation
bin10110100011101011…
…01001010100111001
31011020222220212120101
423101311221110321
5144300232420031
65321412355401
7606052001353
oct132165512471
934228825511
1012110435641
1151550305a7
12241b915b61
1311accc0265
1482c5680d3
154ad2d7361
hex2d1d69539

12110435641 has 4 divisors (see below), whose sum is σ = 12528036900. Its totient is φ = 11692834384.

The previous prime is 12110435609. The next prime is 12110435651. The reversal of 12110435641 is 14653401121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14653401121 = 15413950717.

It can be written as a sum of positive squares in 2 ways, for example, as 2588774400 + 9521661241 = 50880^2 + 97579^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110435641 - 25 = 12110435609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110435651) 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, 208800586 + ... + 208800643.

It is an arithmetic number, because the mean of its divisors is an integer number (3132009225).

Almost surely, 212110435641 is an apocalyptic number.

It is an amenable number.

12110435641 is a deficient number, since it is larger than the sum of its proper divisors (417601259).

12110435641 is an equidigital number, since it uses as much as digits as its factorization.

12110435641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417601258.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12110435641 its reverse (14653401121), we get a palindrome (26763836762).

The spelling of 12110435641 in words is "twelve billion, one hundred ten million, four hundred thirty-five thousand, six hundred forty-one".

Divisors: 1 29 417601229 12110435641