Base | Representation |
---|---|
bin | 1101101100000011111000… |
… | …00111110110011010010111 |
3 | 10221120122111022021020021220 |
4 | 12312001330013312122113 |
5 | 12421134241042234111 |
6 | 144004150110141423 |
7 | 6224512060640340 |
oct | 666017407663227 |
9 | 127518438236256 |
10 | 30101213243031 |
11 | 9655942158647 |
12 | 34619974b1873 |
13 | 13a46bc3cbb78 |
14 | 760c995c70c7 |
15 | 3730057b7e06 |
hex | 1b607c1f6697 |
30101213243031 has 16 divisors (see below), whose sum is σ = 45891599787264. Its totient is φ = 17192036643264.
The previous prime is 30101213243029. The next prime is 30101213243051. The reversal of 30101213243031 is 13034231210103.
It is not a de Polignac number, because 30101213243031 - 21 = 30101213243029 is a prime.
It is a super-2 number, since 2×301012132430312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30101213242992 and 30101213243010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30101213243051) 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, 360650550 + ... + 360734003.
It is an arithmetic number, because the mean of its divisors is an integer number (2868224986704).
Almost surely, 230101213243031 is an apocalyptic number.
30101213243031 is a deficient number, since it is larger than the sum of its proper divisors (15790386544233).
30101213243031 is a wasteful number, since it uses less digits than its factorization.
30101213243031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721386550.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 30101213243031 its reverse (13034231210103), we get a palindrome (43135444453134).
The spelling of 30101213243031 in words is "thirty trillion, one hundred one billion, two hundred thirteen million, two hundred forty-three thousand, thirty-one".
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