Base | Representation |
---|---|
bin | 10011100101010000… |
… | …110110000010110100 |
3 | 2000021100122001100100 |
4 | 103211100312002310 |
5 | 321030211023231 |
6 | 13354225514100 |
7 | 1343023215615 |
oct | 234520660264 |
9 | 60240561310 |
10 | 21026267316 |
11 | 8a0a86392a |
12 | 40a97a2930 |
13 | 1ca11b0ac2 |
14 | 103670dc0c |
15 | 830dda1e6 |
hex | 4e54360b4 |
21026267316 has 36 divisors (see below), whose sum is σ = 53401645024. Its totient is φ = 6975536400.
The previous prime is 21026267303. The next prime is 21026267321. The reversal of 21026267316 is 61376262012.
21026267316 is a `hidden beast` number, since 2 + 10 + 2 + 626 + 7 + 3 + 16 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1376440 + ... + 1391631.
Almost surely, 221026267316 is an apocalyptic number.
It is an amenable number.
21026267316 is an abundant number, since it is smaller than the sum of its proper divisors (32375377708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21026267316 is a wasteful number, since it uses less digits than its factorization.
21026267316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2768292 (or 2768287 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The spelling of 21026267316 in words is "twenty-one billion, twenty-six million, two hundred sixty-seven thousand, three hundred sixteen".
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