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98974647989 = 717831719731
BaseRepresentation
bin101110000101101011…
…0010100011010110101
3100110110201021001201022
41130023112110122311
53110200002213424
6113245054110525
710102453425020
oct1341326243265
9313421231638
1098974647989
1138a7a676a48
12172224ab445
139444267089
144b0cbd41b7
1528941eb95e
hex170b5946b5

98974647989 has 8 divisors (see below), whose sum is σ = 119767641408. Its totient is φ = 79845094080.

The previous prime is 98974647977. The next prime is 98974647997.

98974647989 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2k-98974647989 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 (98974647929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415859747 + ... + 415859984.

It is an arithmetic number, because the mean of its divisors is an integer number (14970955176).

Almost surely, 298974647989 is an apocalyptic number.

It is an amenable number.

98974647989 is a deficient number, since it is larger than the sum of its proper divisors (20792993419).

98974647989 is a wasteful number, since it uses less digits than its factorization.

98974647989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831719755.

The product of its digits is 1975228416, while the sum is 80.

The spelling of 98974647989 in words is "ninety-eight billion, nine hundred seventy-four million, six hundred forty-seven thousand, nine hundred eighty-nine".

Divisors: 1 7 17 119 831719731 5822038117 14139235427 98974647989