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89391509311 = 1315434456429
BaseRepresentation
bin101001101000000100…
…1100010111100111111
322112201211220011211011
41103100021202330333
52431033211244221
6105022122140051
76313130202136
oct1232011427477
9275654804734
1089391509311
1134a021a4025
12153a9051627
138577a42b10
14448018491d
1524d2c331e1
hex14d0262f3f

89391509311 has 8 divisors (see below), whose sum is σ = 96330190880. Its totient is φ = 82461743712.

The previous prime is 89391509299. The next prime is 89391509341. The reversal of 89391509311 is 11390519398.

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 89391509311 - 227 = 89257291583 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 (89391509341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2208156 + ... + 2248273.

It is an arithmetic number, because the mean of its divisors is an integer number (12041273860).

Almost surely, 289391509311 is an apocalyptic number.

89391509311 is a deficient number, since it is larger than the sum of its proper divisors (6938681569).

89391509311 is a wasteful number, since it uses less digits than its factorization.

89391509311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457985.

The product of its (nonzero) digits is 262440, while the sum is 49.

The spelling of 89391509311 in words is "eighty-nine billion, three hundred ninety-one million, five hundred nine thousand, three hundred eleven".

Divisors: 1 13 1543 20059 4456429 57933577 6876269947 89391509311