Base | Representation |
---|---|
bin | 1100011001100110110… |
… | …0111110010111001000 |
3 | 202100212120111000200200 |
4 | 3012121230332113020 |
5 | 11442242204220240 |
6 | 241510545132200 |
7 | 21251063661333 |
oct | 3063154762710 |
9 | 670776430620 |
10 | 213032101320 |
11 | 8238a081875 |
12 | 3535402a060 |
13 | 1712025042c |
14 | a44cc0561a |
15 | 581c617930 |
hex | 3199b3e5c8 |
213032101320 has 96 divisors (see below), whose sum is σ = 711066652920. Its totient is φ = 55273190400.
The previous prime is 213032101319. The next prime is 213032101379. The reversal of 213032101320 is 23101230312.
213032101320 is a `hidden beast` number, since 2 + 130 + 3 + 210 + 1 + 320 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 205062254244 + 7969847076 = 452838^2 + 89274^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 213032101293 and 213032101302.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7983381 + ... + 8010020.
Almost surely, 2213032101320 is an apocalyptic number.
213032101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213032101320 is an abundant number, since it is smaller than the sum of its proper divisors (498034551600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213032101320 is a wasteful number, since it uses less digits than its factorization.
213032101320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15993455 (or 15993448 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 213032101320 its reverse (23101230312), we get a palindrome (236133331632).
The spelling of 213032101320 in words is "two hundred thirteen billion, thirty-two million, one hundred one thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •