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98689271291 = 1324164348989
BaseRepresentation
bin101101111101001010…
…1101100010111111011
3100102201211021102110222
41123322111230113323
53104103423140131
6113200501330255
710062416652002
oct1337225542773
9312654242428
1098689271291
1138943580236
1217162a0698b
1393ca0b9320
144ac2d49c39
15287912a87b
hex16fa56c5fb

98689271291 has 16 divisors (see below), whose sum is σ = 106889909280. Its totient is φ = 90576852480.

The previous prime is 98689271281. The next prime is 98689271321. The reversal of 98689271291 is 19217298689.

It is a cyclic number.

It is not a de Polignac number, because 98689271291 - 26 = 98689271227 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98689271281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990025 + ... + 2039013.

It is an arithmetic number, because the mean of its divisors is an integer number (6680619330).

Almost surely, 298689271291 is an apocalyptic number.

98689271291 is a deficient number, since it is larger than the sum of its proper divisors (8200637989).

98689271291 is a wasteful number, since it uses less digits than its factorization.

98689271291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49886.

The product of its digits is 7838208, while the sum is 62.

The spelling of 98689271291 in words is "ninety-eight billion, six hundred eighty-nine million, two hundred seventy-one thousand, two hundred ninety-one".

Divisors: 1 13 241 643 3133 8359 48989 154963 636857 2014519 11806349 31499927 153482537 409499051 7591482407 98689271291