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10217306645 = 571338635813
BaseRepresentation
bin10011000001111111…
…11011101000010101
3222101001122221210122
421200333323220111
5131411112303040
64405504201325
7511123450010
oct114077735025
928331587718
1010217306645
114373448787
121b91909245
13c6aa23ca0
146ccd6c377
153ebed51b5
hex260ffba15

10217306645 has 32 divisors (see below), whose sum is σ = 15096678912. Its totient is φ = 6464431872.

The previous prime is 10217306623. The next prime is 10217306653. The reversal of 10217306645 is 54660371201.

It is a cyclic number.

It is not a de Polignac number, because 10217306645 - 216 = 10217241109 is a prime.

It is a super-2 number, since 2×102173066452 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1754759 + ... + 1760571.

It is an arithmetic number, because the mean of its divisors is an integer number (471771216).

Almost surely, 210217306645 is an apocalyptic number.

It is an amenable number.

10217306645 is a deficient number, since it is larger than the sum of its proper divisors (4879372267).

10217306645 is a wasteful number, since it uses less digits than its factorization.

10217306645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 10217306645 its reverse (54660371201), we get a palindrome (64877677846).

The spelling of 10217306645 in words is "ten billion, two hundred seventeen million, three hundred six thousand, six hundred forty-five".

Divisors: 1 5 7 13 35 65 91 455 3863 5813 19315 27041 29065 40691 50219 75569 135205 203455 251095 351533 377845 528983 1757665 2644915 22455619 112278095 157189333 291923047 785946665 1459615235 2043461329 10217306645