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211311043030 = 2531167945673
BaseRepresentation
bin1100010011001100011…
…1101010000111010110
3202012102122000012120001
43010303013222013112
511430231111334110
6241024105001514
721160325141563
oct3046307520726
9665378005501
10211311043030
118168663624a
1234b5378329a
1316c0780cb49
14a3283db86a
15576b4a463a
hex31331ea1d6

211311043030 has 16 divisors (see below), whose sum is σ = 381582905184. Its totient is φ = 84252633280.

The previous prime is 211311042989. The next prime is 211311043057. The reversal of 211311043030 is 30340113112.

211311043030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211311042989 and 211311043007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33969727 + ... + 33975946.

It is an arithmetic number, because the mean of its divisors is an integer number (23848931574).

Almost surely, 2211311043030 is an apocalyptic number.

211311043030 is a deficient number, since it is larger than the sum of its proper divisors (170271862154).

211311043030 is a wasteful number, since it uses less digits than its factorization.

211311043030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67945991.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211311043030 its reverse (30340113112), we get a palindrome (241651156142).

The spelling of 211311043030 in words is "two hundred eleven billion, three hundred eleven million, forty-three thousand, thirty".

Divisors: 1 2 5 10 311 622 1555 3110 67945673 135891346 339728365 679456730 21131104303 42262208606 105655521515 211311043030