Base | Representation |
---|---|
bin | 1101101111010010011101… |
… | …01111110000001011001001 |
3 | 10221222020202122222011200020 |
4 | 12313221032233300023021 |
5 | 12424443411000213001 |
6 | 144131131250331053 |
7 | 6235516345115130 |
oct | 667511657601311 |
9 | 127866678864606 |
10 | 30212121101001 |
11 | 96989858078a4 |
12 | 347b38a289a89 |
13 | 13b1cb5a14028 |
14 | 7663bb1b0917 |
15 | 375d47440736 |
hex | 1b7a4ebf02c9 |
30212121101001 has 16 divisors (see below), whose sum is σ = 46037687967744. Its totient is φ = 17264005413264.
The previous prime is 30212121100999. The next prime is 30212121101023. The reversal of 30212121101001 is 10010112121203.
It is not a de Polignac number, because 30212121101001 - 21 = 30212121100999 is a prime.
It is a super-2 number, since 2×302121211010012 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30212121101401) 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, 3492120 + ... + 8521686.
It is an arithmetic number, because the mean of its divisors is an integer number (2877355497984).
Almost surely, 230212121101001 is an apocalyptic number.
It is an amenable number.
30212121101001 is a deficient number, since it is larger than the sum of its proper divisors (15825566866743).
30212121101001 is a wasteful number, since it uses less digits than its factorization.
30212121101001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5315620.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 30212121101001 its reverse (10010112121203), we get a palindrome (40222233222204).
The spelling of 30212121101001 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-one million, one hundred one thousand, one".
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