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1312241124413 = 2357053961931
BaseRepresentation
bin10011000110000111101…
…010101000010000111101
311122110010100012000002102
4103012013222220100331
5132444432211440123
62442500225234445
7163543362342632
oct23060752502075
94573110160072
101312241124413
114665779a513a
121923a2a92a25
13969891b481b
1447727212189
1524203925028
hex13187aa843d

1312241124413 has 4 divisors (see below), whose sum is σ = 1369295086368. Its totient is φ = 1255187162460.

The previous prime is 1312241124391. The next prime is 1312241124421. The reversal of 1312241124413 is 3144211422131.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312241124413 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 (1312241124113) 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, 28526980943 + ... + 28526980988.

It is an arithmetic number, because the mean of its divisors is an integer number (342323771592).

Almost surely, 21312241124413 is an apocalyptic number.

It is an amenable number.

1312241124413 is a deficient number, since it is larger than the sum of its proper divisors (57053961955).

1312241124413 is an equidigital number, since it uses as much as digits as its factorization.

1312241124413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57053961954.

The product of its digits is 4608, while the sum is 29.

Adding to 1312241124413 its reverse (3144211422131), we get a palindrome (4456452546544).

The spelling of 1312241124413 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, one hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 23 57053961931 1312241124413