Base | Representation |
---|---|
bin | 1100011001100100001… |
… | …1110100100010110000 |
3 | 202100211211011221011200 |
4 | 3012121003310202300 |
5 | 11442231424010300 |
6 | 241505522011200 |
7 | 21250603200153 |
oct | 3063103644260 |
9 | 670754157150 |
10 | 213021313200 |
11 | 82383a83573 |
12 | 353504a6b00 |
13 | 1711ac43c27 |
14 | a44b5d7c9a |
15 | 581b6d6200 |
hex | 31990f48b0 |
213021313200 has 90 divisors (see below), whose sum is σ = 739243141884. Its totient is φ = 56805682560.
The previous prime is 213021313171. The next prime is 213021313217. The reversal of 213021313200 is 2313120312.
213021313200 is a `hidden beast` number, since 2 + 130 + 21 + 313 + 200 = 666.
It is a tau number, because it is divible by the number of its divisors (90).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29582694 + ... + 29589893.
Almost surely, 2213021313200 is an apocalyptic number.
213021313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213021313200 is an abundant number, since it is smaller than the sum of its proper divisors (526221828684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213021313200 is a wasteful number, since it uses less digits than its factorization.
213021313200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59172611 (or 59172597 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 213021313200 its reverse (2313120312), we get a palindrome (215334433512).
The spelling of 213021313200 in words is "two hundred thirteen billion, twenty-one million, three hundred thirteen thousand, two hundred".
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