Base | Representation |
---|---|
bin | 1101101111000001110111… |
… | …00111000001110000010100 |
3 | 10221221101202122101000211022 |
4 | 12313200323213001300110 |
5 | 12424322133242041040 |
6 | 144123055125100312 |
7 | 6235052463010331 |
oct | 667407347016024 |
9 | 127841678330738 |
10 | 30203210112020 |
11 | 96951227919a0 |
12 | 3479701b57698 |
13 | 13b11c582a79a |
14 | 765bb3929988 |
15 | 3759c4e976b5 |
hex | 1b783b9c1c14 |
30203210112020 has 96 divisors (see below), whose sum is σ = 69699551846400. Its totient is φ = 10902651408000.
The previous prime is 30203210112017. The next prime is 30203210112043. The reversal of 30203210112020 is 2021101230203.
It is a self number, because there is not a number n which added to its sum of digits gives 30203210112020.
It is a congruent number.
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, 47487671 + ... + 48119489.
It is an arithmetic number, because the mean of its divisors is an integer number (726036998400).
Almost surely, 230203210112020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30203210112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34849775923200).
30203210112020 is an abundant number, since it is smaller than the sum of its proper divisors (39496341734380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30203210112020 is a wasteful number, since it uses less digits than its factorization.
30203210112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633429 (or 633427 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 30203210112020 its reverse (2021101230203), we get a palindrome (32224311342223).
The spelling of 30203210112020 in words is "thirty trillion, two hundred three billion, two hundred ten million, one hundred twelve thousand, twenty".
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