Base | Representation |
---|---|
bin | 1110001111111001000001… |
… | …00010011000111000000100 |
3 | 11002221100020002222201221222 |
4 | 13013330200202120320010 |
5 | 13101322104032410040 |
6 | 150345512540255512 |
7 | 6412454255230250 |
oct | 707744042307004 |
9 | 132840202881858 |
10 | 31332332310020 |
11 | 9a8aa70836315 |
12 | 36204ba841598 |
13 | 146381ab77181 |
14 | 7a46c8a1d260 |
15 | 39505c47cbb5 |
hex | 1c7f20898e04 |
31332332310020 has 48 divisors (see below), whose sum is σ = 79155365842560. Its totient is φ = 10177118463744.
The previous prime is 31332332309983. The next prime is 31332332310023. The reversal of 31332332310020 is 2001323323313.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31332332310023) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 5889533489 + ... + 5889538808.
It is an arithmetic number, because the mean of its divisors is an integer number (1649070121720).
Almost surely, 231332332310020 is an apocalyptic number.
It is an amenable number.
31332332310020 is an abundant number, since it is smaller than the sum of its proper divisors (47823033532540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31332332310020 is a wasteful number, since it uses less digits than its factorization.
31332332310020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11779072332 (or 11779072330 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 26.
Adding to 31332332310020 its reverse (2001323323313), we get a palindrome (33333655633333).
The spelling of 31332332310020 in words is "thirty-one trillion, three hundred thirty-two billion, three hundred thirty-two million, three hundred ten thousand, twenty".
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