Base | Representation |
---|---|
bin | 110100100010001000110111… |
… | …101001110110110001000100 |
3 | 1010022001121222210112112001100 |
4 | 310202020313221312301010 |
5 | 220240412420014041012 |
6 | 2135220200100300100 |
7 | 66444256504204143 |
oct | 6442106751666104 |
9 | 1108047883475040 |
10 | 231044404440132 |
11 | 67688421a9a3a8 |
12 | 21ab5b536a1630 |
13 | 9bbc5173a51ba |
14 | 410a87493775a |
15 | 1ba9eddaca8dc |
hex | d22237a76c44 |
231044404440132 has 18 divisors (see below), whose sum is σ = 584028911223758. Its totient is φ = 77014801480032.
The previous prime is 231044404440131. The next prime is 231044404440167.
231044404440132 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 4 + 440 + 44 + 40 + 132 = 666.
231044404440132 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in only one way, i.e., 121846627789056 + 109197776651076 = 11038416^2 + 10449774^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6417900123337 = 231044404440132 / (2 + 3 + 1 + 0 + 4 + 4 + 4 + 0 + 4 + 4 + 4 + 0 + 1 + 3 + 2).
It is not an unprimeable number, because it can be changed into a prime (231044404440131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3208950061633 + ... + 3208950061704.
Almost surely, 2231044404440132 is an apocalyptic number.
It is an amenable number.
231044404440132 is an abundant number, since it is smaller than the sum of its proper divisors (352984506783626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231044404440132 is a wasteful number, since it uses less digits than its factorization.
231044404440132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6417900123347 (or 6417900123342 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 36.
It can be divided in two parts, 23104440 and 4440132, that added together give a palindrome (27544572).
The spelling of 231044404440132 in words is "two hundred thirty-one trillion, forty-four billion, four hundred four million, four hundred forty thousand, one hundred thirty-two".
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