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212140241310 = 23519933548089
BaseRepresentation
bin1100010110010010001…
…0110011000110011110
3202021120102021211202110
43011210202303012132
511433430400210220
6241242245334450
721220014204354
oct3054442630636
9667512254673
10212140241310
1181a716aa188
1235145407426
131700a546b0a
14a3a65a77d4
1557b9197be0
hex31648b319e

212140241310 has 32 divisors (see below), whose sum is σ = 509392185120. Its totient is φ = 56542330368.

The previous prime is 212140241303. The next prime is 212140241311. The reversal of 212140241310 is 13142041212.

It is a super-2 number, since 2×2121402413102 (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 (212140241311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714255 + ... + 1833834.

It is an arithmetic number, because the mean of its divisors is an integer number (15918505785).

Almost surely, 2212140241310 is an apocalyptic number.

212140241310 is an abundant number, since it is smaller than the sum of its proper divisors (297251943810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212140241310 is a wasteful number, since it uses less digits than its factorization.

212140241310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550092.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212140241310 its reverse (13142041212), we get a palindrome (225282282522).

The spelling of 212140241310 in words is "two hundred twelve billion, one hundred forty million, two hundred forty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1993 3986 5979 9965 11958 19930 29895 59790 3548089 7096178 10644267 17740445 21288534 35480890 53221335 106442670 7071341377 14142682754 21214024131 35356706885 42428048262 70713413770 106070120655 212140241310