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213424131434 = 21393732058211
BaseRepresentation
bin1100011011000100010…
…0011100110101101010
3202101212220011012220112
43012301010130311222
511444043034201214
6242013511454322
721263564120303
oct3066104346552
9671786135815
10213424131434
11825703a38a8
12354433873a2
1317183531207
14a488cd37aa
155841c54a3e
hex31b111cd6a

213424131434 has 16 divisors (see below), whose sum is σ = 323303940960. Its totient is φ = 105660268560.

The previous prime is 213424131413. The next prime is 213424131451. The reversal of 213424131434 is 434131424312.

It is a self number, because there is not a number n which added to its sum of digits gives 213424131434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925412 + ... + 1132799.

It is an arithmetic number, because the mean of its divisors is an integer number (20206496310).

Almost surely, 2213424131434 is an apocalyptic number.

213424131434 is a deficient number, since it is larger than the sum of its proper divisors (109879809526).

213424131434 is a wasteful number, since it uses less digits than its factorization.

213424131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058725.

The product of its digits is 27648, while the sum is 32.

Adding to 213424131434 its reverse (434131424312), we get a palindrome (647555555746).

The spelling of 213424131434 in words is "two hundred thirteen billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 139 278 373 746 51847 103694 2058211 4116422 286091329 572182658 767712703 1535425406 106712065717 213424131434