Base | Representation |
---|---|
bin | 10110111011100000… |
… | …01001111110110000 |
3 | 1011202221001012122100 |
4 | 23131300021332300 |
5 | 200202420314440 |
6 | 5353312540400 |
7 | 614030006604 |
oct | 133560117660 |
9 | 34687035570 |
10 | 12310323120 |
11 | 5247946a67 |
12 | 2476851700 |
13 | 1212538284 |
14 | 84ad1b504 |
15 | 4c0b1d230 |
hex | 2ddc09fb0 |
12310323120 has 120 divisors (see below), whose sum is σ = 43139712096. Its totient is φ = 3140020224.
The previous prime is 12310323119. The next prime is 12310323121. The reversal of 12310323120 is 2132301321.
12310323120 is a `hidden beast` number, since 12 + 310 + 32 + 312 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (12310323119) and next prime (12310323121).
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12310323093 and 12310323102.
It is not an unprimeable number, because it can be changed into a prime (12310323121) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355129 + ... + 388248.
Almost surely, 212310323120 is an apocalyptic number.
12310323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12310323120 is an abundant number, since it is smaller than the sum of its proper divisors (30829388976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12310323120 is a wasteful number, since it uses less digits than its factorization.
12310323120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743419 (or 743410 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12310323120 its reverse (2132301321), we get a palindrome (14442624441).
The spelling of 12310323120 in words is "twelve billion, three hundred ten million, three hundred twenty-three thousand, one hundred twenty".
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