Base | Representation |
---|---|
bin | 1101101110111111110011… |
… | …00000110111110001100100 |
3 | 10221221021220100202120021120 |
4 | 12313133321200313301210 |
5 | 12424312400401431040 |
6 | 144122353113213540 |
7 | 6235013136304506 |
oct | 667377140676144 |
9 | 127837810676246 |
10 | 30202101202020 |
11 | 9694703841450 |
12 | 34794527012b0 |
13 | 13b1079b7a417 |
14 | 765b0a54bd76 |
15 | 37595c9517d0 |
hex | 1b77f9837c64 |
30202101202020 has 288 divisors, whose sum is σ = 95222014183296. Its totient is φ = 7093213286400.
The previous prime is 30202101201989. The next prime is 30202101202051. The reversal of 30202101202020 is 2020210120203.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30202101201989) and next prime (30202101202051).
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 95 ways as a sum of consecutive naturals, for example, 210453090 + ... + 210596550.
It is an arithmetic number, because the mean of its divisors is an integer number (330631993692).
Almost surely, 230202101202020 is an apocalyptic number.
30202101202020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30202101202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47611007091648).
30202101202020 is an abundant number, since it is smaller than the sum of its proper divisors (65019912981276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202101202020 is a wasteful number, since it uses less digits than its factorization.
30202101202020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143791 (or 143752 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 30202101202020 its reverse (2020210120203), we get a palindrome (32222311322223).
The spelling of 30202101202020 in words is "thirty trillion, two hundred two billion, one hundred one million, two hundred two thousand, twenty".
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