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868012772 = 221131718963
BaseRepresentation
bin110011101111001…
…101001011100100
32020111022121200012
4303233031023210
53234202402042
6222044305352
730336662324
oct6357151344
92214277605
10868012772
11405a74930
12202842258
1310aaa7033
14833d1284
155130de82
hex33bcd2e4

868012772 has 48 divisors (see below), whose sum is σ = 1734856704. Its totient is φ = 376404000.

The previous prime is 868012771. The next prime is 868012781. The reversal of 868012772 is 277210868.

It is not an unprimeable number, because it can be changed into a prime (868012771) 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 15 ways as a sum of consecutive naturals, for example, 92363 + ... + 101325.

It is an arithmetic number, because the mean of its divisors is an integer number (36142848).

Almost surely, 2868012772 is an apocalyptic number.

It is an amenable number.

868012772 is a deficient number, since it is larger than the sum of its proper divisors (866843932).

868012772 is a wasteful number, since it uses less digits than its factorization.

868012772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080 (or 9078 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 868012772 is about 29462.0564794788. The cubic root of 868012772 is about 953.9128632211.

The spelling of 868012772 in words is "eight hundred sixty-eight million, twelve thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 31 44 62 71 124 142 284 341 682 781 1364 1562 2201 3124 4402 8804 8963 17926 24211 35852 48422 96844 98593 197186 277853 394372 555706 636373 1111412 1272746 2545492 3056383 6112766 7000103 12225532 14000206 19727563 28000412 39455126 78910252 217003193 434006386 868012772