Base | Representation |
---|---|
bin | 1101101010000001101011… |
… | …01000010110000010111111 |
3 | 10221022222001201001112212212 |
4 | 12311000311220112002333 |
5 | 12414013111120232033 |
6 | 143512105512451035 |
7 | 6216455612355251 |
oct | 665006550260277 |
9 | 127288051045785 |
10 | 30031311102143 |
11 | 962923122557a |
12 | 34503293a9a7b |
13 | 139ac2c328720 |
14 | 75b7479a5cd1 |
15 | 3712b3a87748 |
hex | 1b5035a160bf |
30031311102143 has 16 divisors (see below), whose sum is σ = 32389241556672. Its totient is φ = 27680217600000.
The previous prime is 30031311102127. The next prime is 30031311102203. The reversal of 30031311102143 is 34120111313003.
It is a cyclic number.
It is not a de Polignac number, because 30031311102143 - 24 = 30031311102127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031311105143) 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, 199599743 + ... + 199750143.
It is an arithmetic number, because the mean of its divisors is an integer number (2024327597292).
Almost surely, 230031311102143 is an apocalyptic number.
30031311102143 is a deficient number, since it is larger than the sum of its proper divisors (2357930454529).
30031311102143 is a wasteful number, since it uses less digits than its factorization.
30031311102143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173026.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 30031311102143 its reverse (34120111313003), we get a palindrome (64151422415146).
The spelling of 30031311102143 in words is "thirty trillion, thirty-one billion, three hundred eleven million, one hundred two thousand, one hundred forty-three".
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