Base | Representation |
---|---|
bin | 11101001011100101… |
… | …111100101001110000 |
3 | 2222212122120211101001 |
4 | 131023211330221300 |
5 | 1003132222310112 |
6 | 22221051051344 |
7 | 2156314122322 |
oct | 351345745160 |
9 | 88778524331 |
10 | 31333010032 |
11 | 12319738215 |
12 | 60a5440b54 |
13 | 2c545ba12c |
14 | 17334bd612 |
15 | c35b89c57 |
hex | 74b97ca70 |
31333010032 has 20 divisors (see below), whose sum is σ = 63347173200. Its totient is φ = 14985352448.
The previous prime is 31333010021. The next prime is 31333010081. The reversal of 31333010032 is 23001033313.
It is a junction number, because it is equal to n+sod(n) for n = 31333009991 and 31333010009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42571657 + ... + 42572392.
It is an arithmetic number, because the mean of its divisors is an integer number (3167358660).
Almost surely, 231333010032 is an apocalyptic number.
It is an amenable number.
31333010032 is an abundant number, since it is smaller than the sum of its proper divisors (32014163168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31333010032 is a wasteful number, since it uses less digits than its factorization.
31333010032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85144080 (or 85144074 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 31333010032 its reverse (23001033313), we get a palindrome (54334043345).
The spelling of 31333010032 in words is "thirty-one billion, three hundred thirty-three million, ten thousand, thirty-two".
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