Base | Representation |
---|---|
bin | 11001110001000… |
… | …11001010011000 |
3 | 120001201120222202 |
4 | 30320203022120 |
5 | 420313310210 |
6 | 33240505332 |
7 | 5233151624 |
oct | 1470431230 |
9 | 501646882 |
10 | 216150680 |
11 | 101014229 |
12 | 6047b248 |
13 | 35a20615 |
14 | 209c8184 |
15 | 13e999a5 |
hex | ce23298 |
216150680 has 32 divisors (see below), whose sum is σ = 497653200. Its totient is φ = 84448896.
The previous prime is 216150677. The next prime is 216150709. The reversal of 216150680 is 86051612.
It is a happy number.
It is a super-2 number, since 2×2161506802 = 93442232928924800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61115 + ... + 64554.
Almost surely, 2216150680 is an apocalyptic number.
216150680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
216150680 is an abundant number, since it is smaller than the sum of its proper divisors (281502520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216150680 is a wasteful number, since it uses less digits than its factorization.
216150680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125723 (or 125719 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 216150680 is about 14702.0638007050. The cubic root of 216150680 is about 600.1394860887.
The spelling of 216150680 in words is "two hundred sixteen million, one hundred fifty thousand, six hundred eighty".
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