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89106778149 = 3122924167827
BaseRepresentation
bin101001011111100101…
…1011000100000100101
322112000000010100002120
41102333023120200211
52424442313400044
6104533551300153
76303102055134
oct1227713304045
9275000110076
1089106778149
11348764a9314
121532981a659
138530a5cb3c
14445442791b
1524b7c3d519
hex14bf2d8825

89106778149 has 8 divisors (see below), whose sum is σ = 118905713760. Its totient is φ = 59356180656.

The previous prime is 89106778147. The next prime is 89106778183. The reversal of 89106778149 is 94187760198.

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

It is not a de Polignac number, because 89106778149 - 21 = 89106778147 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89106778092 and 89106778101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89106778141) 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, 12080227 + ... + 12087600.

It is an arithmetic number, because the mean of its divisors is an integer number (14863214220).

Almost surely, 289106778149 is an apocalyptic number.

It is an amenable number.

89106778149 is a deficient number, since it is larger than the sum of its proper divisors (29798935611).

89106778149 is a wasteful number, since it uses less digits than its factorization.

89106778149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24169059.

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 89106778149 in words is "eighty-nine billion, one hundred six million, seven hundred seventy-eight thousand, one hundred forty-nine".

Divisors: 1 3 1229 3687 24167827 72503481 29702259383 89106778149