Base | Representation |
---|---|
bin | 1011001100100010011010… |
… | …0011011101111001000100 |
3 | 1121120211022200020110200022 |
4 | 2303020212203131321010 |
5 | 3103141411403231040 |
6 | 42103051353034312 |
7 | 2410240563625550 |
oct | 263104643357104 |
9 | 47524280213608 |
10 | 12310023102020 |
11 | 3a16719134a96 |
12 | 14699219b5998 |
13 | 6b3aa3c36c97 |
14 | 307b45d78860 |
15 | 16532a5026b5 |
hex | b32268dde44 |
12310023102020 has 384 divisors, whose sum is σ = 32438528704512. Its totient is φ = 3832012800000.
The previous prime is 12310023102007. The next prime is 12310023102067. The reversal of 12310023102020 is 2020132001321.
It is a super-2 number, since 2×123100231020202 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12310023102020.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1094121395 + ... + 1094132645.
It is an arithmetic number, because the mean of its divisors is an integer number (84475335168).
Almost surely, 212310023102020 is an apocalyptic number.
12310023102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12310023102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16219264352256).
12310023102020 is an abundant number, since it is smaller than the sum of its proper divisors (20128505602492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12310023102020 is a wasteful number, since it uses less digits than its factorization.
12310023102020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11531 (or 11529 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12310023102020 its reverse (2020132001321), we get a palindrome (14330155103341).
The spelling of 12310023102020 in words is "twelve trillion, three hundred ten billion, twenty-three million, one hundred two thousand, twenty".
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