Base | Representation |
---|---|
bin | 1101101110111111101000… |
… | …01001111011010010011101 |
3 | 10221221021200002121010021221 |
4 | 12313133310021323102131 |
5 | 12424312204343113041 |
6 | 144122340142253341 |
7 | 6235010665203460 |
oct | 667376411732235 |
9 | 127837602533257 |
10 | 30202011301021 |
11 | 96946680184aa |
12 | 3479428587251 |
13 | 13b1064361571 |
14 | 765adc6292d7 |
15 | 375954ae42d1 |
hex | 1b77f427b49d |
30202011301021 has 16 divisors (see below), whose sum is σ = 36928873682560. Its totient is φ = 24122893279680.
The previous prime is 30202011301019. The next prime is 30202011301031. The reversal of 30202011301021 is 12010311020203.
It is not a de Polignac number, because 30202011301021 - 21 = 30202011301019 is a prime.
It is a super-2 number, since 2×302020113010212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30202011300986 and 30202011301004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202011301031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861326246 + ... + 1861342471.
It is an arithmetic number, because the mean of its divisors is an integer number (2308054605160).
Almost surely, 230202011301021 is an apocalyptic number.
It is an amenable number.
30202011301021 is a deficient number, since it is larger than the sum of its proper divisors (6726862381539).
30202011301021 is a wasteful number, since it uses less digits than its factorization.
30202011301021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3722668804.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30202011301021 its reverse (12010311020203), we get a palindrome (42212322321224).
The spelling of 30202011301021 in words is "thirty trillion, two hundred two billion, eleven million, three hundred one thousand, twenty-one".
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