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211333043408 = 2446489284117
BaseRepresentation
bin1100010011010001101…
…1100101010011010000
3202012111011101221101212
43010310123211103100
511430302224342113
6241030212315252
721161013141614
oct3046433452320
9665434357355
10211333043408
1181697aa2483
1234b5b012b28
1316c0c243916
14a32b2c7344
15576d39d0a8
hex31346e54d0

211333043408 has 20 divisors (see below), whose sum is σ = 409468020420. Its totient is φ = 105663876864.

The previous prime is 211333043401. The next prime is 211333043423. The reversal of 211333043408 is 804340333112.

It can be written as a sum of positive squares in 2 ways, for example, as 30697843264 + 180635200144 = 175208^2 + 425012^2 .

It is a super-2 number, since 2×2113330434082 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211333043401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601766 + ... + 885882.

It is an arithmetic number, because the mean of its divisors is an integer number (20473401021).

Almost surely, 2211333043408 is an apocalyptic number.

It is an amenable number.

211333043408 is a deficient number, since it is larger than the sum of its proper divisors (198134977012).

211333043408 is a wasteful number, since it uses less digits than its factorization.

211333043408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330614 (or 330608 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 211333043408 in words is "two hundred eleven billion, three hundred thirty-three million, forty-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 46489 92978 185956 284117 371912 568234 743824 1136468 2272936 4545872 13208315213 26416630426 52833260852 105666521704 211333043408