Base | Representation |
---|---|
bin | 110100100011100101000100… |
… | …100000100000011110001100 |
3 | 1010022102002112021022120101100 |
4 | 310203211010200200132030 |
5 | 220244023143002404012 |
6 | 2135333451455543100 |
7 | 66454363015400133 |
oct | 6443450440403614 |
9 | 1108362467276340 |
10 | 231143404341132 |
11 | 677164049442a8 |
12 | 21b1118252aa90 |
13 | 9bc896394168a |
14 | 4111586c2291a |
15 | 1bac8851148dc |
hex | d2394482078c |
231143404341132 has 72 divisors (see below), whose sum is σ = 618651231962400. Its totient is φ = 72515260343808.
The previous prime is 231143404341089. The next prime is 231143404341203.
231143404341132 is a `hidden beast` number, since 2 + 3 + 1 + 143 + 40 + 4 + 341 + 132 = 666.
231143404341132 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166819969 + ... + 168199847.
It is an arithmetic number, because the mean of its divisors is an integer number (8592378221700).
Almost surely, 2231143404341132 is an apocalyptic number.
It is an amenable number.
231143404341132 is an abundant number, since it is smaller than the sum of its proper divisors (387507827621268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231143404341132 is a wasteful number, since it uses less digits than its factorization.
231143404341132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1653615 (or 1653610 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 36.
It can be divided in two parts, 23114340 and 4341132, that added together give a palindrome (27455472).
The spelling of 231143404341132 in words is "two hundred thirty-one trillion, one hundred forty-three billion, four hundred four million, three hundred forty-one thousand, one hundred thirty-two".
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