Search a number
-
+
98194887761 = 2017322915077
BaseRepresentation
bin101101101110011011…
…1110001010001010001
3100101110101000010202212
41123130313301101101
53102100342402021
6113035441121505
710044234526415
oct1333467612121
9311411003685
1098194887761
113870a4aa603
1217045329295
13934b84c7a9
144a77416d45
15284aa2185b
hex16dcdf1451

98194887761 has 8 divisors (see below), whose sum is σ = 98280514920. Its totient is φ = 98109301248.

The previous prime is 98194887751. The next prime is 98194887767. The reversal of 98194887761 is 16778849189.

It can be written as a sum of positive squares in 4 ways, for example, as 2976357136 + 95218530625 = 54556^2 + 308575^2 .

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 98194887761 - 26 = 98194887697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98194887691 and 98194887700.

It is not an unprimeable number, because it can be changed into a prime (98194887767) 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, 6505355 + ... + 6520431.

It is an arithmetic number, because the mean of its divisors is an integer number (12285064365).

Almost surely, 298194887761 is an apocalyptic number.

It is an amenable number.

98194887761 is a deficient number, since it is larger than the sum of its proper divisors (85627159).

98194887761 is a wasteful number, since it uses less digits than its factorization.

98194887761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323.

The product of its digits is 48771072, while the sum is 68.

The spelling of 98194887761 in words is "ninety-eight billion, one hundred ninety-four million, eight hundred eighty-seven thousand, seven hundred sixty-one".

Divisors: 1 2017 3229 15077 6512893 30410309 48683633 98194887761