Search a number
-
+
12404225545 = 53512970621
BaseRepresentation
bin10111000110101100…
…10111011000001001
31012000110201221112221
423203112113120021
5200400440204140
65410505334041
7616250114605
oct134326273011
935013657487
1012404225545
115295953278
1224a2197321
131228b2553a
148595a2505
154c8ebb14a
hex2e3597609

12404225545 has 8 divisors (see below), whose sum is σ = 14885705160. Its totient is φ = 9922957440.

The previous prime is 12404225531. The next prime is 12404225591. The reversal of 12404225545 is 54552240421.

12404225545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 803212281 + 11601013264 = 28341^2 + 107708^2 .

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

It is not a de Polignac number, because 12404225545 - 25 = 12404225513 is a prime.

It is a super-2 number, since 2×124042255452 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12404225545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140335 + ... + 210955.

It is an arithmetic number, because the mean of its divisors is an integer number (1860713145).

Almost surely, 212404225545 is an apocalyptic number.

It is an amenable number.

12404225545 is a deficient number, since it is larger than the sum of its proper divisors (2481479615).

12404225545 is an equidigital number, since it uses as much as digits as its factorization.

12404225545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105755.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 12404225545 its reverse (54552240421), we get a palindrome (66956465966).

The spelling of 12404225545 in words is "twelve billion, four hundred four million, two hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 35129 70621 175645 353105 2480845109 12404225545