Base | Representation |
---|---|
bin | 1110000110111000110111… |
… | …00100011010111010000000 |
3 | 11001211202210222221220122112 |
4 | 13003130123210122322000 |
5 | 13031240111343424412 |
6 | 145551435153554452 |
7 | 6351224066145203 |
oct | 703343344327200 |
9 | 131752728856575 |
10 | 31023011311232 |
11 | 9980870131736 |
12 | 3590573875a28 |
13 | 14405c3c27585 |
14 | 7937439c793a |
15 | 38bea6836722 |
hex | 1c371b91ae80 |
31023011311232 has 32 divisors (see below), whose sum is σ = 62290298334720. Its totient is φ = 15389367807744.
The previous prime is 31023011311213. The next prime is 31023011311333. The reversal of 31023011311232 is 23211311032013.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 31023011311198 and 31023011311207.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954185618 + ... + 954218129.
It is an arithmetic number, because the mean of its divisors is an integer number (1946571822960).
Almost surely, 231023011311232 is an apocalyptic number.
31023011311232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31023011311232 is an abundant number, since it is smaller than the sum of its proper divisors (31267287023488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023011311232 is a wasteful number, since it uses less digits than its factorization.
31023011311232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1908403888 (or 1908403876 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 31023011311232 its reverse (23211311032013), we get a palindrome (54234322343245).
The spelling of 31023011311232 in words is "thirty-one trillion, twenty-three billion, eleven million, three hundred eleven thousand, two hundred thirty-two".
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