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1241241413 = 6431930391
BaseRepresentation
bin100100111111011…
…1101011101000101
310012111121121010012
41021332331131011
510020224211123
6323100040005
742521243426
oct11176753505
93174547105
101241241413
11587715055
122a7833005
1316a204099
14babc764d
1573e85378
hex49fbd745

1241241413 has 4 divisors (see below), whose sum is σ = 1243172448. Its totient is φ = 1239310380.

The previous prime is 1241241389. The next prime is 1241241427. The reversal of 1241241413 is 3141421421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3141421421 = 28309110969.

It is a cyclic number.

It is not a de Polignac number, because 1241241413 - 216 = 1241175877 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 (1241249413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964553 + ... + 965838.

It is an arithmetic number, because the mean of its divisors is an integer number (310793112).

Almost surely, 21241241413 is an apocalyptic number.

It is an amenable number.

1241241413 is a deficient number, since it is larger than the sum of its proper divisors (1931035).

1241241413 is an equidigital number, since it uses as much as digits as its factorization.

1241241413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931034.

The product of its digits is 768, while the sum is 23.

The square root of 1241241413 is about 35231.2561938969. The cubic root of 1241241413 is about 1074.6954718443.

Adding to 1241241413 its reverse (3141421421), we get a palindrome (4382662834).

The spelling of 1241241413 in words is "one billion, two hundred forty-one million, two hundred forty-one thousand, four hundred thirteen".

Divisors: 1 643 1930391 1241241413