Search a number
-
+
231002422144234 = 213401193311462173
BaseRepresentation
bin110100100001100001110001…
…010100000110110011101010
31010021220121121222102220210021
4310201201301110012303222
5220234220430032103414
62135145014150111054
766441242236446046
oct6441416124066352
91107817558386707
10231002422144234
1167671639097094
1221aa999794b48a
139bb85867369b0
144108810d9d026
151ba8d8307bc24
hexd21871506cea

231002422144234 has 32 divisors (see below), whose sum is σ = 374281886808144. Its totient is φ = 106295598259200.

The previous prime is 231002422144231. The next prime is 231002422144253. The reversal of 231002422144234 is 432441224200132.

It can be written as a sum of positive squares in 8 ways, for example, as 203189487347025 + 27812934797209 = 14254455^2 + 5273797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231002422144234.

It is not an unprimeable number, because it can be changed into a prime (231002422144231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14422372 + ... + 25884544.

Almost surely, 2231002422144234 is an apocalyptic number.

231002422144234 is a deficient number, since it is larger than the sum of its proper divisors (143279464663910).

231002422144234 is a wasteful number, since it uses less digits than its factorization.

231002422144234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11464522.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 231002422144234 its reverse (432441224200132), we get a palindrome (663443646344366).

The spelling of 231002422144234 in words is "two hundred thirty-one trillion, two billion, four hundred twenty-two million, one hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 13 26 401 802 1933 3866 5213 10426 25129 50258 775133 1550266 10076729 11462173 20153458 22924346 149008249 298016498 4596331373 9192662746 22156380409 44312760818 59752307849 119504615698 288032945317 576065890634 8884708544009 17769417088018 115501211072117 231002422144234