Base | Representation |
---|---|
bin | 1011001000001010… |
… | …0000000001010101 |
3 | 21201011120022112200 |
4 | 2302002200001111 |
5 | 22104132444033 |
6 | 1212221435113 |
7 | 134010036333 |
oct | 26202400125 |
9 | 7634508480 |
10 | 2986999893 |
11 | 12a30a1259 |
12 | 6b440ba99 |
13 | 387ab2277 |
14 | 2049c0b53 |
15 | 127377013 |
hex | b20a0055 |
2986999893 has 12 divisors (see below), whose sum is σ = 4315078560. Its totient is φ = 1991091816.
The previous prime is 2986999853. The next prime is 2986999901. The reversal of 2986999893 is 3989996892.
It is not a de Polignac number, because 2986999893 - 217 = 2986868821 is a prime.
It is a super-2 number, since 2×29869998932 = 17844336721564022898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2986999853) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89880 + ... + 118542.
It is an arithmetic number, because the mean of its divisors is an integer number (359589880).
Almost surely, 22986999893 is an apocalyptic number.
It is an amenable number.
2986999893 is a deficient number, since it is larger than the sum of its proper divisors (1328078667).
2986999893 is a wasteful number, since it uses less digits than its factorization.
2986999893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40248 (or 40245 counting only the distinct ones).
The product of its digits is 136048896, while the sum is 72.
The square root of 2986999893 is about 54653.4527088637. The cubic root of 2986999893 is about 1440.1632873284.
It can be divided in two parts, 2986999 and 893, that added together give a palindrome (2987892).
The spelling of 2986999893 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-nine thousand, eight hundred ninety-three".
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