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12480303379 = 61920162041
BaseRepresentation
bin10111001111110001…
…00101000100010011
31012012202220002201111
423213320211010103
5201024424202004
65422224114151
7621162554065
oct134770450423
935182802644
1012480303379
115324895715
122503765957
13123b8115cb
14865727735
154d09e7a04
hex2e7e25113

12480303379 has 4 divisors (see below), whose sum is σ = 12500466040. Its totient is φ = 12460140720.

The previous prime is 12480303377. The next prime is 12480303397. The reversal of 12480303379 is 97330308421.

12480303379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97330308421 = 677143767073.

It is a cyclic number.

It is not a de Polignac number, because 12480303379 - 21 = 12480303377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12480303377) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10080402 + ... + 10081639.

It is an arithmetic number, because the mean of its divisors is an integer number (3125116510).

Almost surely, 212480303379 is an apocalyptic number.

12480303379 is a deficient number, since it is larger than the sum of its proper divisors (20162661).

12480303379 is an equidigital number, since it uses as much as digits as its factorization.

12480303379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20162660.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 12480303379 in words is "twelve billion, four hundred eighty million, three hundred three thousand, three hundred seventy-nine".

Divisors: 1 619 20162041 12480303379