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213223320330 = 23547151222213
BaseRepresentation
bin1100011010010100011…
…0011010101100001010
3202101100220021221212020
43012211012122230022
511443140132222310
6241541535425310
721255605214216
oct3064506325412
9671326257766
10213223320330
1182478007509
12353a8085236
1317150a51987
14a46a37d946
15582e2da170
hex31a519ab0a

213223320330 has 32 divisors (see below), whose sum is σ = 522623971584. Its totient is φ = 55649774016.

The previous prime is 213223320311. The next prime is 213223320341. The reversal of 213223320330 is 33023322312.

It is a self number, because there is not a number n which added to its sum of digits gives 213223320330.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 75609697 + ... + 75612516.

It is an arithmetic number, because the mean of its divisors is an integer number (16331999112).

Almost surely, 2213223320330 is an apocalyptic number.

213223320330 is an abundant number, since it is smaller than the sum of its proper divisors (309400651254).

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

213223320330 is a wasteful number, since it uses less digits than its factorization.

213223320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151222270.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 213223320330 its reverse (33023322312), we get a palindrome (246246642642).

The spelling of 213223320330 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 151222213 302444426 453666639 756111065 907333278 1512222130 2268333195 4536666390 7107444011 14214888022 21322332033 35537220055 42644664066 71074440110 106611660165 213223320330