Base | Representation |
---|---|
bin | 11101111111110110… |
… | …01010100000100110 |
3 | 1112120101010122020200 |
4 | 32333323022200212 |
5 | 230440321002221 |
6 | 11222023011330 |
7 | 1110044022456 |
oct | 167773124046 |
9 | 45511118220 |
10 | 16104859686 |
11 | 69148564a3 |
12 | 3155599b46 |
13 | 169870b996 |
14 | acac69d66 |
15 | 643d0a426 |
hex | 3bfeca826 |
16104859686 has 96 divisors (see below), whose sum is σ = 37832970240. Its totient is φ = 4933887552.
The previous prime is 16104859663. The next prime is 16104859691. The reversal of 16104859686 is 68695840161.
16104859686 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 48 + 596 + 8 + 6 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4844821 + ... + 4848143.
It is an arithmetic number, because the mean of its divisors is an integer number (394093440).
Almost surely, 216104859686 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16104859686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18916485120).
16104859686 is an abundant number, since it is smaller than the sum of its proper divisors (21728110554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16104859686 is a wasteful number, since it uses less digits than its factorization.
16104859686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3770 (or 3767 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The spelling of 16104859686 in words is "sixteen billion, one hundred four million, eight hundred fifty-nine thousand, six hundred eighty-six".
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