Base | Representation |
---|---|
bin | 1100011011011000010… |
… | …0100010010011011100 |
3 | 202102002202001012200111 |
4 | 3012312010202103130 |
5 | 11444231024234100 |
6 | 242030110135404 |
7 | 21265633252351 |
oct | 3066604422334 |
9 | 672082035614 |
10 | 213508039900 |
11 | 826037a4541 |
12 | 354674b1564 |
13 | 17197a2c5ac |
14 | a4960d6628 |
15 | 58492cb6ba |
hex | 31b61224dc |
213508039900 has 18 divisors (see below), whose sum is σ = 463312446800. Its totient is φ = 85403215920.
The previous prime is 213508039783. The next prime is 213508039903. The reversal of 213508039900 is 9930805312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213508039903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067540100 + ... + 1067540299.
Almost surely, 2213508039900 is an apocalyptic number.
213508039900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213508039900 is an abundant number, since it is smaller than the sum of its proper divisors (249804406900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213508039900 is a wasteful number, since it uses less digits than its factorization.
213508039900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2135080413 (or 2135080406 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 40.
The spelling of 213508039900 in words is "two hundred thirteen billion, five hundred eight million, thirty-nine thousand, nine hundred".
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