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212104355413 = 1719656669831
BaseRepresentation
bin1100010110001001100…
…1111001111001010101
3202021110220202122120011
43011202121321321111
511433342203333123
6241234524240221
721216100162636
oct3054231717125
9667426678504
10212104355413
1181a53419615
12351353a0071
1317002c90a62
14a3a190588d
1557b5e59e0d
hex3162679e55

212104355413 has 8 divisors (see below), whose sum is σ = 236401139520. Its totient is φ = 189120911040.

The previous prime is 212104355387. The next prime is 212104355443. The reversal of 212104355413 is 314553401212.

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

It is not a de Polignac number, because 212104355413 - 29 = 212104354901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212104355443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328334593 + ... + 328335238.

It is an arithmetic number, because the mean of its divisors is an integer number (29550142440).

Almost surely, 2212104355413 is an apocalyptic number.

It is an amenable number.

212104355413 is a deficient number, since it is larger than the sum of its proper divisors (24296784107).

212104355413 is a wasteful number, since it uses less digits than its factorization.

212104355413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656669867.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 212104355413 its reverse (314553401212), we get a palindrome (526657756625).

The spelling of 212104355413 in words is "two hundred twelve billion, one hundred four million, three hundred fifty-five thousand, four hundred thirteen".

Divisors: 1 17 19 323 656669831 11163387127 12476726789 212104355413