Search a number
-
+
231122442101243 = 71126122971947457
BaseRepresentation
bin110100100011010001100011…
…000011111010000111111011
31010022100002102101011110011012
4310203101203003322013323
5220243202230134214433
62135320103434224135
766453021400321130
oct6443214303720773
91108302371143135
10231122442101243
1167708528242200
1221b090b228504b
139bc69a2abaa34
144110558c1c587
151bac059b75848
hexd234630fa1fb

231122442101243 has 48 divisors (see below), whose sum is σ = 295223851672512. Its totient is φ = 177065815449600.

The previous prime is 231122442101207. The next prime is 231122442101249. The reversal of 231122442101243 is 342101244221132.

It is not a de Polignac number, because 231122442101243 - 28 = 231122442100987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231122442101249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117705371 + ... + 119652827.

It is an arithmetic number, because the mean of its divisors is an integer number (6150496909844).

Almost surely, 2231122442101243 is an apocalyptic number.

231122442101243 is a deficient number, since it is larger than the sum of its proper divisors (64101409571269).

231122442101243 is a wasteful number, since it uses less digits than its factorization.

231122442101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949844 (or 1949833 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 231122442101243 its reverse (342101244221132), we get a palindrome (573223686322375).

The spelling of 231122442101243 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, four hundred forty-two million, one hundred one thousand, two hundred forty-three".

Divisors: 1 7 11 61 77 121 427 671 847 2297 4697 7381 16079 25267 51667 140117 176869 277937 980819 1541287 1945559 1947457 10789009 13632199 16954157 21422027 118679099 118794877 149954189 235642297 831564139 1306743647 1649496079 4473308729 9147205529 14374180117 31313161103 49206396019 100619260819 272871832469 344444772133 541270356209 1910102827283 3001590157159 3788892493463 21011131100113 33017491728749 231122442101243