Search a number
-
+
2143815574137 = 325722051126097
BaseRepresentation
bin11111001100100101010…
…111011010001001111001
321120221120012012222102220
4133030211113122021321
5240111013241333022
64320504423514253
7310612514500146
oct37144527321171
97527505188386
102143815574137
11757207003286
122a759b5b8989
13127212784533
1475a92b453cd
153ab73b9485c
hex1f3255da279

2143815574137 has 16 divisors (see below), whose sum is σ = 2869695915072. Its totient is φ = 1423573401600.

The previous prime is 2143815574111. The next prime is 2143815574139. The reversal of 2143815574137 is 7314755183412.

It is not a de Polignac number, because 2143815574137 - 214 = 2143815557753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143815574137.

It is not an unprimeable number, because it can be changed into a prime (2143815574139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16938273 + ... + 17064369.

It is an arithmetic number, because the mean of its divisors is an integer number (179355994692).

Almost surely, 22143815574137 is an apocalyptic number.

It is an amenable number.

2143815574137 is a deficient number, since it is larger than the sum of its proper divisors (725880340935).

2143815574137 is a wasteful number, since it uses less digits than its factorization.

2143815574137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148408.

The product of its digits is 2822400, while the sum is 51.

The spelling of 2143815574137 in words is "two trillion, one hundred forty-three billion, eight hundred fifteen million, five hundred seventy-four thousand, one hundred thirty-seven".

Divisors: 1 3 257 771 22051 66153 126097 378291 5667107 17001321 32406929 97220787 2780564947 8341694841 714605191379 2143815574137