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89102216647 = 536247269117
BaseRepresentation
bin101001011111011100…
…1111110110111000111
322111222200112120220001
41102332321332313013
52424440131413042
6104533305422131
76303015226243
oct1227671766707
9274880476801
1089102216647
1134873973184
121532819a947
13852cb23822
14445399b423
1524b763bbb7
hex14bee7edc7

89102216647 has 8 divisors (see below), whose sum is σ = 90798260256. Its totient is φ = 87406723872.

The previous prime is 89102216633. The next prime is 89102216681. The reversal of 89102216647 is 74661220198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89102216647 - 219 = 89101692359 is a prime.

It is a super-2 number, since 2×891022166472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89102216597 and 89102216606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89102216617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196533 + ... + 465649.

It is an arithmetic number, because the mean of its divisors is an integer number (11349782532).

Almost surely, 289102216647 is an apocalyptic number.

89102216647 is a deficient number, since it is larger than the sum of its proper divisors (1696043609).

89102216647 is a wasteful number, since it uses less digits than its factorization.

89102216647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275417.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 89102216647 in words is "eighty-nine billion, one hundred two million, two hundred sixteen thousand, six hundred forty-seven".

Divisors: 1 53 6247 269117 331091 14263201 1681173899 89102216647