Base | Representation |
---|---|
bin | 1111010110111100110010… |
… | …0001101101101110011000 |
3 | 2012210101011102120222122102 |
4 | 3311233030201231232120 |
5 | 4203133432121040210 |
6 | 55525431242142532 |
7 | 3362020211130314 |
oct | 365571441555630 |
9 | 65711142528572 |
10 | 16886947830680 |
11 | 5420794899274 |
12 | 1a889787b1a48 |
13 | 956580b37ab5 |
14 | 425492a78b44 |
15 | 1e44055ecea5 |
hex | f5bcc86db98 |
16886947830680 has 16 divisors (see below), whose sum is σ = 37995632619120. Its totient is φ = 6754779132256.
The previous prime is 16886947830677. The next prime is 16886947830721. The reversal of 16886947830680 is 8603874968861.
It is a super-2 number, since 2×168869478306802 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 16886947830598 and 16886947830607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211086847844 + ... + 211086847923.
It is an arithmetic number, because the mean of its divisors is an integer number (2374727038695).
Almost surely, 216886947830680 is an apocalyptic number.
16886947830680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16886947830680 is an abundant number, since it is smaller than the sum of its proper divisors (21108684788440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16886947830680 is a wasteful number, since it uses less digits than its factorization.
16886947830680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422173695778 (or 422173695774 counting only the distinct ones).
The product of its (nonzero) digits is 668860416, while the sum is 74.
The spelling of 16886947830680 in words is "sixteen trillion, eight hundred eighty-six billion, nine hundred forty-seven million, eight hundred thirty thousand, six hundred eighty".
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