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212243040032 = 2571145164381
BaseRepresentation
bin1100010110101010101…
…0111100011100100000
3202021211120201120002112
43011222222330130200
511434133204240112
6241300400534452
721222403034162
oct3055252743440
9667746646075
10212243040032
1182014732401
1235173921428
131702592a46a
14a3b60c6932
1557c3201a22
hex316aabc720

212243040032 has 48 divisors (see below), whose sum is σ = 424037363904. Its totient is φ = 104553120000.

The previous prime is 212243040013. The next prime is 212243040041. The reversal of 212243040032 is 230040342212.

It is a super-2 number, since 2×2122430400322 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264482 + ... + 3328862.

It is an arithmetic number, because the mean of its divisors is an integer number (8834111748).

Almost surely, 2212243040032 is an apocalyptic number.

It is an amenable number.

212243040032 is a deficient number, since it is larger than the sum of its proper divisors (211794323872).

212243040032 is a wasteful number, since it uses less digits than its factorization.

212243040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65913 (or 65905 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 212243040032 its reverse (230040342212), we get a palindrome (442283382244).

The spelling of 212243040032 in words is "two hundred twelve billion, two hundred forty-three million, forty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 1451 2272 2902 5804 11608 23216 46432 64381 103021 128762 206042 257524 412084 515048 824168 1030096 1648336 2060192 3296672 4571051 9142102 18284204 36568408 73136816 93416831 146273632 186833662 373667324 747334648 1494669296 2989338592 6632595001 13265190002 26530380004 53060760008 106121520016 212243040032