| Base | Representation |
|---|---|
| bin | 1100011010011000001… |
| … | …0011100001000100000 |
| 3 | 202101101222220100121100 |
| 4 | 3012212002130020200 |
| 5 | 11443203144224010 |
| 6 | 241543300554400 |
| 7 | 21256156026435 |
| oct | 3064602341040 |
| 9 | 671358810540 |
| 10 | 213239054880 |
| 11 | 82485984075 |
| 12 | 353b13b2a00 |
| 13 | 171540a0767 |
| 14 | a46c4b7b8c |
| 15 | 58308972c0 |
| hex | 31a609c220 |
213239054880 has 144 divisors (see below), whose sum is σ = 732914058240. Its totient is φ = 56454603264.
The previous prime is 213239054857. The next prime is 213239054881. The reversal of 213239054880 is 88450932312.
213239054880 is a `hidden beast` number, since 2 + 1 + 3 + 23 + 9 + 0 + 548 + 80 = 666.
213239054880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×2132390548802 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (213239054881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332512 + ... + 732831.
It is an arithmetic number, because the mean of its divisors is an integer number (5089680960).
Almost surely, 2213239054880 is an apocalyptic number.
213239054880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213239054880 is an abundant number, since it is smaller than the sum of its proper divisors (519675003360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213239054880 is a wasteful number, since it uses less digits than its factorization.
213239054880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065503 (or 1065492 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 213239054880 in words is "two hundred thirteen billion, two hundred thirty-nine million, fifty-four thousand, eight hundred eighty".
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