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212130184471 is a prime number
BaseRepresentation
bin1100010110001111110…
…0011011110100010111
3202021112201100220100221
43011203330123310113
511433420311400341
6241241250015211
721216532550212
oct3054374336427
9667481326327
10212130184471
1181a66a60347
1235141b77507
131700843541a
14a3a510a779
1557b835ced1
hex3163f1bd17

212130184471 has 2 divisors, whose sum is σ = 212130184472. Its totient is φ = 212130184470.

The previous prime is 212130184457. The next prime is 212130184481. The reversal of 212130184471 is 174481031212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212130184471 - 25 = 212130184439 is a prime.

It is a super-3 number, since 3×2121301844713 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212130184421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106065092235 + 106065092236.

It is an arithmetic number, because the mean of its divisors is an integer number (106065092236).

Almost surely, 2212130184471 is an apocalyptic number.

212130184471 is a deficient number, since it is larger than the sum of its proper divisors (1).

212130184471 is an equidigital number, since it uses as much as digits as its factorization.

212130184471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 212130184471 in words is "two hundred twelve billion, one hundred thirty million, one hundred eighty-four thousand, four hundred seventy-one".