Base | Representation |
---|---|
bin | 1101101001001011011111… |
… | …01110110111110111110010 |
3 | 10221020011222101010101201020 |
4 | 12310211233232313313302 |
5 | 12413024022101333020 |
6 | 143450455145320310 |
7 | 6214406002533525 |
oct | 664455756676762 |
9 | 127204871111636 |
10 | 30002221121010 |
11 | 9617963737156 |
12 | 344676b196096 |
13 | 1398274657338 |
14 | 75a188364bbc |
15 | 37065ecb8c40 |
hex | 1b496fbb7df2 |
30002221121010 has 256 divisors, whose sum is σ = 78225368094720. Its totient is φ = 7336402145280.
The previous prime is 30002221120981. The next prime is 30002221121023. The reversal of 30002221121010 is 1012112220003.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3362342409 + ... + 3362351331.
It is an arithmetic number, because the mean of its divisors is an integer number (305567844120).
Almost surely, 230002221121010 is an apocalyptic number.
30002221121010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30002221121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39112684047360).
30002221121010 is an abundant number, since it is smaller than the sum of its proper divisors (48223146973710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30002221121010 is a wasteful number, since it uses less digits than its factorization.
30002221121010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9993.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30002221121010 its reverse (1012112220003), we get a palindrome (31014333341013).
The spelling of 30002221121010 in words is "thirty trillion, two billion, two hundred twenty-one million, one hundred twenty-one thousand, ten".
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