Base | Representation |
---|---|
bin | 1011000010000111100100… |
… | …1010000011100111101110 |
3 | 1120221201021122221010212111 |
4 | 2300201321022003213232 |
5 | 3042223312200321220 |
6 | 41444525214154234 |
7 | 2361302664254260 |
oct | 260417112034756 |
9 | 46851248833774 |
10 | 12131020323310 |
11 | 3957811798a39 |
12 | 143b0a61b297a |
13 | 69cc47a98c05 |
14 | 2dd2047a5b30 |
15 | 16085062c15a |
hex | b08792839ee |
12131020323310 has 64 divisors (see below), whose sum is σ = 25130470662144. Its totient is φ = 4130079552000.
The previous prime is 12131020323281. The next prime is 12131020323319. The reversal of 12131020323310 is 1332302013121.
It is a super-2 number, since 2×121310203233102 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131020323319) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6721510 + ... + 8333110.
It is an arithmetic number, because the mean of its divisors is an integer number (392663604096).
Almost surely, 212131020323310 is an apocalyptic number.
12131020323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12131020323310 is an abundant number, since it is smaller than the sum of its proper divisors (12999450338834).
12131020323310 is a wasteful number, since it uses less digits than its factorization.
12131020323310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1612369.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 12131020323310 its reverse (1332302013121), we get a palindrome (13463322336431).
The spelling of 12131020323310 in words is "twelve trillion, one hundred thirty-one billion, twenty million, three hundred twenty-three thousand, three hundred ten".
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