Search a number
-
+
12480392445 = 35857970859
BaseRepresentation
bin10111001111110001…
…11010110011111101
31012012210001121220020
423213320322303331
5201024440024240
65422230042353
7621163404543
oct134770726375
935183047806
1012480392445
115324946624
1225037a93b9
13123b843001
1486574bd93
154d0a140d0
hex2e7e3acfd

12480392445 has 16 divisors (see below), whose sum is σ = 19991949120. Its totient is φ = 6648435584.

The previous prime is 12480392443. The next prime is 12480392447. The reversal of 12480392445 is 54429308421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12480392443) and next prime (12480392447).

It is a cyclic number.

It is not a de Polignac number, because 12480392445 - 21 = 12480392443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12480392397 and 12480392406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480392443) 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 15 ways as a sum of consecutive naturals, for example, 472575 + ... + 498284.

It is an arithmetic number, because the mean of its divisors is an integer number (1249496820).

Almost surely, 212480392445 is an apocalyptic number.

12480392445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12480392445 is a deficient number, since it is larger than the sum of its proper divisors (7511556675).

12480392445 is an equidigital number, since it uses as much as digits as its factorization.

12480392445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971724.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 12480392445 in words is "twelve billion, four hundred eighty million, three hundred ninety-two thousand, four hundred forty-five".

Divisors: 1 3 5 15 857 2571 4285 12855 970859 2912577 4854295 14562885 832026163 2496078489 4160130815 12480392445