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98973969093 = 342617466909
BaseRepresentation
bin101110000101101001…
…1101110101011000101
3100110110122222120110000
41130023103232223011
53110144314002333
6113245031351513
710102444566516
oct1341323565305
9313418876400
1098973969093
1138a7a25297a
1217222222599
13944408a06c
144b0ca98a0d
152894115713
hex170b4eeac5

98973969093 has 20 divisors (see below), whose sum is σ = 147906815980. Its totient is φ = 65957291712.

The previous prime is 98973969091. The next prime is 98973969121. The reversal of 98973969093 is 39096937989.

It can be written as a sum of positive squares in 2 ways, for example, as 94951492164 + 4022476929 = 308142^2 + 63423^2 .

It is not a de Polignac number, because 98973969093 - 21 = 98973969091 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 (98973969091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21478 + ... + 445431.

It is an arithmetic number, because the mean of its divisors is an integer number (7395340799).

Almost surely, 298973969093 is an apocalyptic number.

It is an amenable number.

98973969093 is a deficient number, since it is larger than the sum of its proper divisors (48932846887).

98973969093 is a wasteful number, since it uses less digits than its factorization.

98973969093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469538 (or 469529 counting only the distinct ones).

The product of its (nonzero) digits is 178564176, while the sum is 72.

The spelling of 98973969093 in words is "ninety-eight billion, nine hundred seventy-three million, nine hundred sixty-nine thousand, ninety-three".

Divisors: 1 3 9 27 81 2617 7851 23553 70659 211977 466909 1400727 4202181 12606543 37819629 1221900853 3665702559 10997107677 32991323031 98973969093