Base | Representation |
---|---|
bin | 1101101111000001100001… |
… | …11001000110110101000100 |
3 | 10221221101022010000201212200 |
4 | 12313200300321012311010 |
5 | 12424321301224131040 |
6 | 144123025223114500 |
7 | 6235045150443042 |
oct | 667406071066504 |
9 | 127841263021780 |
10 | 30203030302020 |
11 | 9695040239a94 |
12 | 34796718a2a30 |
13 | 13b11974c2234 |
14 | 765b97ac1392 |
15 | 3759b42ca630 |
hex | 1b7830e46d44 |
30203030302020 has 36 divisors (see below), whose sum is σ = 91615858583340. Its totient is φ = 8054141413824.
The previous prime is 30203030302007. The next prime is 30203030302033. The reversal of 30203030302020 is 2020303030203.
30203030302020 is a `hidden beast` number, since 302 + 0 + 30 + 30 + 302 + 0 + 2 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30203030302007) and next prime (30203030302033).
It can be written as a sum of positive squares in 2 ways, for example, as 9251318393604 + 20951711908416 = 3041598^2 + 4577304^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-5 number, since 5×302030303020205 (a number of 69 digits) contains 55555 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30203030301984 and 30203030302002.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83897306215 + ... + 83897306574.
Almost surely, 230203030302020 is an apocalyptic number.
30203030302020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30203030302020 is an abundant number, since it is smaller than the sum of its proper divisors (61412828281320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30203030302020 is a wasteful number, since it uses less digits than its factorization.
30203030302020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167794612804 (or 167794612799 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 30203030302020 its reverse (2020303030203), we get a palindrome (32223333332223).
The spelling of 30203030302020 in words is "thirty trillion, two hundred three billion, thirty million, three hundred two thousand, twenty".
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