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89145320137 = 1773131548347
BaseRepresentation
bin101001100000101111…
…0011010001011001001
322112002200122110202121
41103001132122023021
52430032200221022
6104541445331241
76304050501346
oct1230136321311
9275080573677
1089145320137
11348962334a5
121533a706b21
138538a35b53
1444595bb7cd
1524bb3032c7
hex14c179a2c9

89145320137 has 16 divisors (see below), whose sum is σ = 96412738752. Its totient is φ = 82120296960.

The previous prime is 89145320123. The next prime is 89145320279. The reversal of 89145320137 is 73102354198.

It is a cyclic number.

It is not a de Polignac number, because 89145320137 - 211 = 89145318089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89145320093 and 89145320102.

It is not an unprimeable number, because it can be changed into a prime (89145320837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111603 + ... + 436744.

It is an arithmetic number, because the mean of its divisors is an integer number (6025796172).

Almost surely, 289145320137 is an apocalyptic number.

It is an amenable number.

89145320137 is a deficient number, since it is larger than the sum of its proper divisors (7267418615).

89145320137 is a wasteful number, since it uses less digits than its factorization.

89145320137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548568.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 89145320137 in words is "eighty-nine billion, one hundred forty-five million, three hundred twenty thousand, one hundred thirty-seven".

Divisors: 1 17 73 131 1241 2227 9563 162571 548347 9321899 40029331 71833457 680498627 1221168769 5243842361 89145320137