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89387086541 = 2329359373297
BaseRepresentation
bin101001100111111100…
…0101011001011001101
322112201112120110220212
41103033320223023031
52431031043232131
6105021443252205
76313044461564
oct1231770531315
9275645513825
1089387086541
11349aa753145
12153a767a065
138576b549ac
14447d752bdb
1524d265ca2b
hex14cfe2b2cd

89387086541 has 16 divisors (see below), whose sum is σ = 96758841600. Its totient is φ = 82322220288.

The previous prime is 89387086507. The next prime is 89387086549. The reversal of 89387086541 is 14568078398.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 89387086541 - 210 = 89387085517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89387086549) 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, 52805 + ... + 426101.

It is an arithmetic number, because the mean of its divisors is an integer number (6047427600).

Almost surely, 289387086541 is an apocalyptic number.

It is an amenable number.

89387086541 is a deficient number, since it is larger than the sum of its proper divisors (7371755059).

89387086541 is a wasteful number, since it uses less digits than its factorization.

89387086541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373708.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 89387086541 in words is "eighty-nine billion, three hundred eighty-seven million, eighty-six thousand, five hundred forty-one".

Divisors: 1 23 29 359 667 8257 10411 239453 373297 8585831 10825613 134013623 248989099 3082313329 3886395067 89387086541