Base | Representation |
---|---|
bin | 101111111110111001111110… |
… | …001100111011101011010010 |
3 | 1000200012101000001100112001100 |
4 | 233332321332030323223102 |
5 | 210130013032323103132 |
6 | 2024454153245245230 |
7 | 62310326624063613 |
oct | 5776717614735322 |
9 | 1020171001315040 |
10 | 211031040441042 |
11 | 61271841841018 |
12 | 1b803290563816 |
13 | 909a1ac4a46c3 |
14 | 3a17d5787bc0a |
15 | 195e60589137c |
hex | bfee7e33bad2 |
211031040441042 has 96 divisors (see below), whose sum is σ = 485377687080000. Its totient is φ = 66078187827840.
The previous prime is 211031040441019. The next prime is 211031040441047. The reversal of 211031040441042 is 240144040130112.
211031040441042 is a `hidden beast` number, since 2 + 1 + 103 + 104 + 0 + 4 + 410 + 42 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 211031040440997 and 211031040441015.
It is not an unprimeable number, because it can be changed into a prime (211031040441047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25470684 + ... + 32723352.
It is an arithmetic number, because the mean of its divisors is an integer number (5056017573750).
Almost surely, 2211031040441042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211031040441042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242688843540000).
211031040441042 is an abundant number, since it is smaller than the sum of its proper divisors (274346646638958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211031040441042 is a wasteful number, since it uses less digits than its factorization.
211031040441042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7253416 (or 7253413 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 211031040441042 its reverse (240144040130112), we get a palindrome (451175080571154).
The spelling of 211031040441042 in words is "two hundred eleven trillion, thirty-one billion, forty million, four hundred forty-one thousand, forty-two".
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