Base | Representation |
---|---|
bin | 11011100100000000001001… |
… | …101111000101011001100010 |
3 | 120220012122102020101121110110 |
4 | 123210000021233011121202 |
5 | 111342042230444101010 |
6 | 1105452150013312150 |
7 | 34350644215353501 |
oct | 3344001157053142 |
9 | 526178366347413 |
10 | 121221320300130 |
11 | 35696745092356 |
12 | 11719606a95656 |
13 | 5284176ab418b |
14 | 21d1200d66838 |
15 | e033a0e5c120 |
hex | 6e4009bc5662 |
121221320300130 has 64 divisors (see below), whose sum is σ = 292942614528000. Its totient is φ = 32102756537280.
The previous prime is 121221320300123. The next prime is 121221320300147. The reversal of 121221320300130 is 31003023122121.
It is a junction number, because it is equal to n+sod(n) for n = 121221320300097 and 121221320300106.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14226790 + ... + 21091329.
It is an arithmetic number, because the mean of its divisors is an integer number (4577228352000).
Almost surely, 2121221320300130 is an apocalyptic number.
121221320300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121221320300130 is an abundant number, since it is smaller than the sum of its proper divisors (171721294227870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121221320300130 is a wasteful number, since it uses less digits than its factorization.
121221320300130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35318919.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 121221320300130 its reverse (31003023122121), we get a palindrome (152224343422251).
The spelling of 121221320300130 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, three hundred twenty million, three hundred thousand, one hundred thirty".
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