Base | Representation |
---|---|
bin | 101110000101101001… |
… | …1101110101011000101 |
3 | 100110110122222120110000 |
4 | 1130023103232223011 |
5 | 3110144314002333 |
6 | 113245031351513 |
7 | 10102444566516 |
oct | 1341323565305 |
9 | 313418876400 |
10 | 98973969093 |
11 | 38a7a25297a |
12 | 17222222599 |
13 | 944408a06c |
14 | 4b0ca98a0d |
15 | 2894115713 |
hex | 170b4eeac5 |
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".
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