Base | Representation |
---|---|
bin | 1100011100101110110… |
… | …0100110001100000000 |
3 | 202110001000202112112221 |
4 | 3013023230212030000 |
5 | 12001001420104404 |
6 | 242130110500424 |
7 | 21310630225063 |
oct | 3071354461400 |
9 | 673030675487 |
10 | 213870863104 |
11 | 8277a587a28 |
12 | 35548b04714 |
13 | 17224c55392 |
14 | a4cc3808da |
15 | 586b099954 |
hex | 31cbb26300 |
213870863104 has 108 divisors (see below), whose sum is σ = 451914725640. Its totient is φ = 101016972288.
The previous prime is 213870863099. The next prime is 213870863111. The reversal of 213870863104 is 401368078312.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
213870863104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 612810322 + ... + 612810670.
Almost surely, 2213870863104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213870863104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225957362820).
213870863104 is an abundant number, since it is smaller than the sum of its proper divisors (238043862536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213870863104 is an frugal number, since it uses more digits than its factorization.
213870863104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771 (or 370 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The spelling of 213870863104 in words is "two hundred thirteen billion, eight hundred seventy million, eight hundred sixty-three thousand, one hundred four".
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