Base | Representation |
---|---|
bin | 1010111100010100000101… |
… | …1000000101101111101000 |
3 | 1120121011212222222112120200 |
4 | 2233011001120011233220 |
5 | 3034110100324330440 |
6 | 41331034130352200 |
7 | 2351142556410513 |
oct | 257050130055750 |
9 | 46534788875520 |
10 | 12031300230120 |
11 | 391949a362a86 |
12 | 14238b612b660 |
13 | 693715270602 |
14 | 2d84649a7d7a |
15 | 15ce65c82c30 |
hex | af141605be8 |
12031300230120 has 48 divisors (see below), whose sum is σ = 39101725749060. Its totient is φ = 3208346727936.
The previous prime is 12031300230101. The next prime is 12031300230121. The reversal of 12031300230120 is 2103200313021.
12031300230120 is a `hidden beast` number, since 1 + 2 + 0 + 313 + 0 + 0 + 230 + 120 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 11779571251044 + 251728979076 = 3432138^2 + 501726^2 .
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 = 12031300230093 and 12031300230102.
It is not an unprimeable number, because it can be changed into a prime (12031300230121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16710138849 + ... + 16710139568.
Almost surely, 212031300230120 is an apocalyptic number.
12031300230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12031300230120 is an abundant number, since it is smaller than the sum of its proper divisors (27070425518940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031300230120 is a wasteful number, since it uses less digits than its factorization.
12031300230120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33420278434 (or 33420278427 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12031300230120 its reverse (2103200313021), we get a palindrome (14134500543141).
The spelling of 12031300230120 in words is "twelve trillion, thirty-one billion, three hundred million, two hundred thirty thousand, one hundred twenty".
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