Base | Representation |
---|---|
bin | 1011001100101010001100… |
… | …1000111111010101100000 |
3 | 1121121000201100100012021020 |
4 | 2303022203020333111200 |
5 | 3103210202002004440 |
6 | 42104035021325440 |
7 | 2410343434262505 |
oct | 263124310772540 |
9 | 47530640305236 |
10 | 12312113313120 |
11 | 3a175a0a97585 |
12 | 146a205a06880 |
13 | 6b4047ca839a |
14 | 307ca37d74ac |
15 | 1653edc843d0 |
hex | b32a323f560 |
12312113313120 has 96 divisors (see below), whose sum is σ = 38851318003680. Its totient is φ = 3277459968000.
The previous prime is 12312113313089. The next prime is 12312113313121. The reversal of 12312113313120 is 2131331121321.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312113313121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22266631 + ... + 22812870.
It is an arithmetic number, because the mean of its divisors is an integer number (404701229205).
Almost surely, 212312113313120 is an apocalyptic number.
12312113313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12312113313120 is an abundant number, since it is smaller than the sum of its proper divisors (26539204690560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312113313120 is a wasteful number, since it uses less digits than its factorization.
12312113313120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45080088 (or 45080080 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 12312113313120 its reverse (2131331121321), we get a palindrome (14443444434441).
The spelling of 12312113313120 in words is "twelve trillion, three hundred twelve billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty".
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