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712028217686 = 213114543186871
BaseRepresentation
bin10100101110010000011…
…00000110000101010110
32112001212110201011110212
422113020030012011112
543131213210431221
61303033511445422
7102304502663402
oct12271014060526
92461773634425
10712028217686
11254a73403675
12b5bb4986872
13521b4401406
142666898a102
15137c504db5b
hexa5c8306156

712028217686 has 16 divisors (see below), whose sum is σ = 1076275081728. Its totient is φ = 353270260200.

The previous prime is 712028217653. The next prime is 712028217701. The reversal of 712028217686 is 686712820217.

It is a super-2 number, since 2×7120282176862 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3716831 + ... + 3903701.

It is an arithmetic number, because the mean of its divisors is an integer number (67267192608).

Almost surely, 2712028217686 is an apocalyptic number.

712028217686 is a deficient number, since it is larger than the sum of its proper divisors (364246864042).

712028217686 is a wasteful number, since it uses less digits than its factorization.

712028217686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201547.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 712028217686 in words is "seven hundred twelve billion, twenty-eight million, two hundred seventeen thousand, six hundred eighty-six".

Divisors: 1 2 131 262 14543 29086 186871 373742 1905133 3810266 24480101 48960202 2717664953 5435329906 356014108843 712028217686