Base | Representation |
---|---|
bin | 1011001011111101001011… |
… | …1111000101001010010100 |
3 | 1121112212112022120012011220 |
4 | 2302333102333011022110 |
5 | 3103010430431320040 |
6 | 42054320054130340 |
7 | 2406435144316650 |
oct | 262772277051224 |
9 | 47485468505156 |
10 | 12300031120020 |
11 | 3a124609a7026 |
12 | 14679b36509b0 |
13 | 6b2b70ac61b7 |
14 | 307478d01a60 |
15 | 164e431ca2d0 |
hex | b2fd2fc5294 |
12300031120020 has 192 divisors, whose sum is σ = 42396293431296. Its totient is φ = 2602450920960.
The previous prime is 12300031120009. The next prime is 12300031120033. The reversal of 12300031120020 is 2002113000321.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20237559 + ... + 20836478.
It is an arithmetic number, because the mean of its divisors is an integer number (220814028288).
Almost surely, 212300031120020 is an apocalyptic number.
12300031120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12300031120020 is an abundant number, since it is smaller than the sum of its proper divisors (30096262311276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300031120020 is a wasteful number, since it uses less digits than its factorization.
12300031120020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41074110 (or 41074108 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12300031120020 its reverse (2002113000321), we get a palindrome (14302144120341).
The spelling of 12300031120020 in words is "twelve trillion, three hundred billion, thirty-one million, one hundred twenty thousand, twenty".
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