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2205143213393 = 13872715895559
BaseRepresentation
bin100000000101101100110…
…001110010010101010001
321210210212012222211212102
4200011230301302111101
5242112113130312033
64405010120010145
7315213335022221
oct40055461622521
97723765884772
102205143213393
1178021794636a
122b7456000955
1312cc372a5c83
1478a2da72081
153c562c46de8
hex2016cc72551

2205143213393 has 4 divisors (see below), whose sum is σ = 2205159247680. Its totient is φ = 2205127179108.

The previous prime is 2205143213297. The next prime is 2205143213419. The reversal of 2205143213393 is 3933123415022.

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 2205143213393 - 210 = 2205143212369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205143218393) 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, 7809053 + ... + 8086506.

It is an arithmetic number, because the mean of its divisors is an integer number (551289811920).

Almost surely, 22205143213393 is an apocalyptic number.

It is an amenable number.

2205143213393 is a deficient number, since it is larger than the sum of its proper divisors (16034287).

2205143213393 is a wasteful number, since it uses less digits than its factorization.

2205143213393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034286.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 2205143213393 in words is "two trillion, two hundred five billion, one hundred forty-three million, two hundred thirteen thousand, three hundred ninety-three".

Divisors: 1 138727 15895559 2205143213393