Base | Representation |
---|---|
bin | 11100100100100001011… |
… | …00010101110010101101 |
3 | 10110211212222021101012201 |
4 | 32102100230111302231 |
5 | 112040440100224224 |
6 | 2030551055101501 |
7 | 130631643024415 |
oct | 16222054256255 |
9 | 3424788241181 |
10 | 981680086189 |
11 | 3493678a8560 |
12 | 13a30a811891 |
13 | 717589b735a |
14 | 35729341645 |
15 | 1a808268a44 |
hex | e490b15cad |
981680086189 has 8 divisors (see below), whose sum is σ = 1070996971968. Its totient is φ = 892375407360.
The previous prime is 981680086159. The next prime is 981680086193.
981680086189 is nontrivially palindromic in base 10.
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 981680086189 - 223 = 981671697581 is a prime.
It is a super-3 number, since 3×9816800861893 (a number of 37 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 981680086189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (981680086159) 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, 2883177 + ... + 3205630.
It is an arithmetic number, because the mean of its divisors is an integer number (133874621496).
Almost surely, 2981680086189 is an apocalyptic number.
It is an amenable number.
981680086189 is a deficient number, since it is larger than the sum of its proper divisors (89316885779).
981680086189 is a wasteful number, since it uses less digits than its factorization.
981680086189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6103475.
The product of its (nonzero) digits is 11943936, while the sum is 64.
The spelling of 981680086189 in words is "nine hundred eighty-one billion, six hundred eighty million, eighty-six thousand, one hundred eighty-nine".
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