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98102217085 = 5190110321117
BaseRepresentation
bin101101101011101011…
…0010000100101111101
3100101012220121222111121
41123113112100211331
53101403131421320
6113022330550541
710042031041465
oct1332726204575
9311186558447
1098102217085
1138672164774
121701a298451
1393355a4082
144a68db2ba5
1528428188aa
hex16d759097d

98102217085 has 8 divisors (see below), whose sum is σ = 117784598616. Its totient is φ = 78440481600.

The previous prime is 98102217053. The next prime is 98102217089. The reversal of 98102217085 is 58071220189.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6689113369 + 91413103716 = 81787^2 + 302346^2 .

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

It is not a de Polignac number, because 98102217085 - 25 = 98102217053 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 (98102217089) 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, 5151054 + ... + 5170063.

It is an arithmetic number, because the mean of its divisors is an integer number (14723074827).

Almost surely, 298102217085 is an apocalyptic number.

It is an amenable number.

98102217085 is a deficient number, since it is larger than the sum of its proper divisors (19682381531).

98102217085 is a wasteful number, since it uses less digits than its factorization.

98102217085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323023.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 98102217085 in words is "ninety-eight billion, one hundred two million, two hundred seventeen thousand, eighty-five".

Divisors: 1 5 1901 9505 10321117 51605585 19620443417 98102217085