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13200063757 = 40073294251
BaseRepresentation
bin11000100101100100…
…01111110100001101
31021001221020201100021
430102302033310031
5204013204020012
610021455102141
7645052455616
oct142262176415
937057221307
1013200063757
115664101301
122684811951
13132497c01a
148d3166c0d
15523cc0007
hex312c8fd0d

13200063757 has 4 divisors (see below), whose sum is σ = 13203362016. Its totient is φ = 13196765500.

The previous prime is 13200063739. The next prime is 13200063839. The reversal of 13200063757 is 75736000231.

13200063757 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75736000231 = 401188867831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13200063757 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 (13200063727) 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, 1643119 + ... + 1651132.

It is an arithmetic number, because the mean of its divisors is an integer number (3300840504).

Almost surely, 213200063757 is an apocalyptic number.

It is an amenable number.

13200063757 is a deficient number, since it is larger than the sum of its proper divisors (3298259).

13200063757 is an equidigital number, since it uses as much as digits as its factorization.

13200063757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298258.

The product of its (nonzero) digits is 26460, while the sum is 34.

Adding to 13200063757 its reverse (75736000231), we get a palindrome (88936063988).

The spelling of 13200063757 in words is "thirteen billion, two hundred million, sixty-three thousand, seven hundred fifty-seven".

Divisors: 1 4007 3294251 13200063757