Base | Representation |
---|---|
bin | 1110001101001110111101… |
… | …01100011010110111010100 |
3 | 11002121121120022212000102102 |
4 | 13012213132230122313110 |
5 | 13043323114013031012 |
6 | 150235533234301232 |
7 | 6403042633552313 |
oct | 706473654326724 |
9 | 132547508760372 |
10 | 31241033330132 |
11 | 9a5527a95442a |
12 | 360687aa27818 |
13 | 145802abb6352 |
14 | 7a01073c827a |
15 | 3929b70632c2 |
hex | 1c69deb1add4 |
31241033330132 has 24 divisors (see below), whose sum is σ = 55091886552360. Its totient is φ = 15500581329920.
The previous prime is 31241033330131. The next prime is 31241033330153. The reversal of 31241033330132 is 23103333014213.
It can be written as a sum of positive squares in 4 ways, for example, as 15641977540036 + 15599055790096 = 3954994^2 + 3949564^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31241033330095 and 31241033330104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31241033330131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9439157 + ... + 12311772.
It is an arithmetic number, because the mean of its divisors is an integer number (2295495273015).
Almost surely, 231241033330132 is an apocalyptic number.
It is an amenable number.
31241033330132 is a deficient number, since it is larger than the sum of its proper divisors (23850853222228).
31241033330132 is a wasteful number, since it uses less digits than its factorization.
31241033330132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21753691 (or 21753689 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 29.
Adding to 31241033330132 its reverse (23103333014213), we get a palindrome (54344366344345).
The spelling of 31241033330132 in words is "thirty-one trillion, two hundred forty-one billion, thirty-three million, three hundred thirty thousand, one hundred thirty-two".
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