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1320143224613 = 2275815608919
BaseRepresentation
bin10011001101011110101…
…010101111111100100101
311200012112001101021201012
4103031132222233330211
5133112123131141423
62450244310512005
7164243244155633
oct23153652577445
94605461337635
101320143224613
11469962485a64
12193a29365605
139764836b065
1447c768b4353
1524517533078
hex1335eaaff25

1320143224613 has 4 divisors (see below), whose sum is σ = 1325958833760. Its totient is φ = 1314327615468.

The previous prime is 1320143224577. The next prime is 1320143224619. The reversal of 1320143224613 is 3164223410231.

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 not a de Polignac number, because 1320143224613 - 240 = 220631596837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320143224613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320143224619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907804233 + ... + 2907804686.

It is an arithmetic number, because the mean of its divisors is an integer number (331489708440).

Almost surely, 21320143224613 is an apocalyptic number.

It is an amenable number.

1320143224613 is a deficient number, since it is larger than the sum of its proper divisors (5815609147).

1320143224613 is an equidigital number, since it uses as much as digits as its factorization.

1320143224613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815609146.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 1320143224613 its reverse (3164223410231), we get a palindrome (4484366634844).

The spelling of 1320143224613 in words is "one trillion, three hundred twenty billion, one hundred forty-three million, two hundred twenty-four thousand, six hundred thirteen".

Divisors: 1 227 5815608919 1320143224613