Search a number
-
+
2197140027 = 317147129287
BaseRepresentation
bin1000001011110101…
…1011001000111011
312200010022021111120
42002331123020323
513444431440102
61002004200323
7105306245025
oct20275331073
95603267446
102197140027
11a28256905
125139990a3
1329026c974
1416bb35015
15ccd546bc
hex82f5b23b

2197140027 has 16 divisors (see below), whose sum is σ = 3104059392. Its totient is φ = 1377613440.

The previous prime is 2197140017. The next prime is 2197140047. The reversal of 2197140027 is 7200417912.

It is not a de Polignac number, because 2197140027 - 27 = 2197139899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2197140027.

It is not an unprimeable number, because it can be changed into a prime (2197140017) 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 15 ways as a sum of consecutive naturals, for example, 60378 + ... + 89664.

It is an arithmetic number, because the mean of its divisors is an integer number (194003712).

Almost surely, 22197140027 is an apocalyptic number.

2197140027 is a deficient number, since it is larger than the sum of its proper divisors (906919365).

2197140027 is a wasteful number, since it uses less digits than its factorization.

2197140027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30778.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2197140027 is about 46873.6602688546. The cubic root of 2197140027 is about 1300.0276181509.

Adding to 2197140027 its reverse (7200417912), we get a palindrome (9397557939).

The spelling of 2197140027 in words is "two billion, one hundred ninety-seven million, one hundred forty thousand, twenty-seven".

Divisors: 1 3 17 51 1471 4413 25007 29287 75021 87861 497879 1493637 43081177 129243531 732380009 2197140027