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213141334434 = 23728971751741
BaseRepresentation
bin1100011010000000110…
…1101010100110100010
3202101011012000122100120
43012200031222212202
511443003140200214
6241525450301110
721253561310250
oct3064015524642
9671135018316
10213141334434
11824357aa276
1235384727796
1317139a77702
14a45d51b5d0
155826ee2ea9
hex31a036a9a2

213141334434 has 32 divisors (see below), whose sum is σ = 487348638336. Its totient is φ = 60876468480.

The previous prime is 213141334421. The next prime is 213141334451. The reversal of 213141334434 is 434433141312.

It is a junction number, because it is equal to n+sod(n) for n = 213141334395 and 213141334404.

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, 754197 + ... + 997544.

It is an arithmetic number, because the mean of its divisors is an integer number (15229644948).

Almost surely, 2213141334434 is an apocalyptic number.

213141334434 is an abundant number, since it is smaller than the sum of its proper divisors (274207303902).

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

213141334434 is a wasteful number, since it uses less digits than its factorization.

213141334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754650.

The product of its digits is 41472, while the sum is 33.

Adding to 213141334434 its reverse (434433141312), we get a palindrome (647574475746).

The spelling of 213141334434 in words is "two hundred thirteen billion, one hundred forty-one million, three hundred thirty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 2897 5794 8691 17382 20279 40558 60837 121674 1751741 3503482 5255223 10510446 12262187 24524374 36786561 73573122 5074793677 10149587354 15224381031 30448762062 35523555739 71047111478 106570667217 213141334434