Base | Representation |
---|---|
bin | 1100010010111001001… |
… | …0100111110111000010 |
3 | 202012012222120101100112 |
4 | 3010232102213313002 |
5 | 11430044342000143 |
6 | 241012052351322 |
7 | 21155322433016 |
oct | 3045622476702 |
9 | 665188511315 |
10 | 211230031298 |
11 | 81644933a00 |
12 | 34b30615542 |
13 | 16bc3ab7100 |
14 | a31b750546 |
15 | 5764300e18 |
hex | 312e4a7dc2 |
211230031298 has 72 divisors (see below), whose sum is σ = 383514490800. Its totient is φ = 87124820640.
The previous prime is 211230031291. The next prime is 211230031301. The reversal of 211230031298 is 892130032112.
211230031298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2112300312982 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211230031291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2369213 + ... + 2456751.
It is an arithmetic number, because the mean of its divisors is an integer number (5326590150).
Almost surely, 2211230031298 is an apocalyptic number.
211230031298 is a deficient number, since it is larger than the sum of its proper divisors (172284459502).
211230031298 is a wasteful number, since it uses less digits than its factorization.
211230031298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87648 (or 87624 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The spelling of 211230031298 in words is "two hundred eleven billion, two hundred thirty million, thirty-one thousand, two hundred ninety-eight".
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