Base | Representation |
---|---|
bin | 1000001101110000000110… |
… | …01011111101000000011000 |
3 | 2100221222010000120110101110 |
4 | 10012320003023331000120 |
5 | 4331432434043141323 |
6 | 102230445132420320 |
7 | 3543062520502524 |
oct | 406700313750030 |
9 | 70858100513343 |
10 | 18064685912088 |
11 | 5835210285432 |
12 | 20390829176a0 |
13 | a106532471ba |
14 | 46649a722d84 |
15 | 214d85bbe793 |
hex | 106e032fd018 |
18064685912088 has 64 divisors (see below), whose sum is σ = 47818964360160. Its totient is φ = 5667272073216.
The previous prime is 18064685911981. The next prime is 18064685912149. The reversal of 18064685912088 is 88021958646081.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32755356 + ... + 33302292.
Almost surely, 218064685912088 is an apocalyptic number.
It is an amenable number.
18064685912088 is an abundant number, since it is smaller than the sum of its proper divisors (29754278448072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18064685912088 is a wasteful number, since it uses less digits than its factorization.
18064685912088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 627916 (or 627912 counting only the distinct ones).
The product of its (nonzero) digits is 53084160, while the sum is 66.
The spelling of 18064685912088 in words is "eighteen trillion, sixty-four billion, six hundred eighty-five million, nine hundred twelve thousand, eighty-eight".
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