Search a number
-
+
213313303020 = 223510932616713
BaseRepresentation
bin1100011010101001110…
…1101011000111101100
3202101121011121112220110
43012222131223013230
511443331201144040
6241554512220020
721261050105346
oct3065235530754
9671534545813
10213313303020
1182513886874
123541223a610
1317166598a7c
14a4782c4296
155837161980
hex31aa76b1ec

213313303020 has 48 divisors (see below), whose sum is σ = 602756874720. Its totient is φ = 56361678336.

The previous prime is 213313303019. The next prime is 213313303039. The reversal of 213313303020 is 20303313312.

It is a super-2 number, since 2×2133133030202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16301817 + ... + 16314896.

It is an arithmetic number, because the mean of its divisors is an integer number (12557434890).

Almost surely, 2213313303020 is an apocalyptic number.

213313303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213313303020 is an abundant number, since it is smaller than the sum of its proper divisors (389443571700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213313303020 is a wasteful number, since it uses less digits than its factorization.

213313303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32616834 (or 32616832 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 213313303020 its reverse (20303313312), we get a palindrome (233616616332).

The spelling of 213313303020 in words is "two hundred thirteen billion, three hundred thirteen million, three hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 32616713 65233426 97850139 130466852 163083565 195700278 326167130 391400556 489250695 652334260 978501390 1957002780 3555221717 7110443434 10665665151 14220886868 17776108585 21331330302 35552217170 42662660604 53328325755 71104434340 106656651510 213313303020