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213680903342 = 2862091239319
BaseRepresentation
bin1100011100000001011…
…1111101010010101110
3202102112210022120202012
43013000113331102232
512000104302401332
6242055203201222
721303132465404
oct3070027752256
9672483276665
10213680903342
1182692332395
12354b5376212
13171c47a505a
14a4b1053474
1558595753b2
hex31c05fd4ae

213680903342 has 8 divisors (see below), whose sum is σ = 320525331600. Its totient is φ = 106839126144.

The previous prime is 213680903329. The next prime is 213680903363. The reversal of 213680903342 is 243309086312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213680903342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447242 + ... + 792077.

It is an arithmetic number, because the mean of its divisors is an integer number (40065666450).

Almost surely, 2213680903342 is an apocalyptic number.

213680903342 is a deficient number, since it is larger than the sum of its proper divisors (106844428258).

213680903342 is a wasteful number, since it uses less digits than its factorization.

213680903342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325530.

The product of its (nonzero) digits is 186624, while the sum is 41.

Adding to 213680903342 its reverse (243309086312), we get a palindrome (456989989654).

The spelling of 213680903342 in words is "two hundred thirteen billion, six hundred eighty million, nine hundred three thousand, three hundred forty-two".

Divisors: 1 2 86209 172418 1239319 2478638 106840451671 213680903342