Base | Representation |
---|---|
bin | 1101101100101001010111… |
… | …11100111110011010001000 |
3 | 10221122120110012001110011000 |
4 | 12312110223330332122020 |
5 | 12422002002310121100 |
6 | 144021315353535000 |
7 | 6226123650326316 |
oct | 666245374763210 |
9 | 127576405043130 |
10 | 30121343051400 |
11 | 9663431988607 |
12 | 3465874a14460 |
13 | 13a6579955c93 |
14 | 761c48c1d0b6 |
15 | 3737d2b25900 |
hex | 1b652bf3e688 |
30121343051400 has 192 divisors, whose sum is σ = 104758588771200. Its totient is φ = 7954373940480.
The previous prime is 30121343051329. The next prime is 30121343051461. The reversal of 30121343051400 is 415034312103.
It is a happy number.
30121343051400 is a `hidden beast` number, since 3 + 0 + 1 + 213 + 4 + 305 + 140 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26521599 + ... + 27633998.
It is an arithmetic number, because the mean of its divisors is an integer number (545617649850).
Almost surely, 230121343051400 is an apocalyptic number.
30121343051400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30121343051400 is an abundant number, since it is smaller than the sum of its proper divisors (74637245719800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121343051400 is a wasteful number, since it uses less digits than its factorization.
30121343051400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54155725 (or 54155710 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 30121343051400 its reverse (415034312103), we get a palindrome (30536377363503).
The spelling of 30121343051400 in words is "thirty trillion, one hundred twenty-one billion, three hundred forty-three million, fifty-one thousand, four hundred".
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