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472421888124281 is a prime number
BaseRepresentation
bin110101101101010100100101…
…0110100110110010101111001
32021221201002110122200000201222
41223122221022310312111321
5443410130011324434111
64352431341434121425
7201336232534660034
oct15332511264662571
92257632418600658
10472421888124281
11127589aa7918707
1244b9a63a580275
131737b267a38084
1484934acaa001b
153993b9ddca7db
hex1adaa4ad36579

472421888124281 has 2 divisors, whose sum is σ = 472421888124282. Its totient is φ = 472421888124280.

The previous prime is 472421888124041. The next prime is 472421888124299. The reversal of 472421888124281 is 182421888124274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246189154253056 + 226232733871225 = 15690416^2 + 15041035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472421888124281 is a prime.

It is a super-2 number, since 2×4724218881242812 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472421888123281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236210944062140 + 236210944062141.

It is an arithmetic number, because the mean of its divisors is an integer number (236210944062141).

Almost surely, 2472421888124281 is an apocalyptic number.

It is an amenable number.

472421888124281 is a deficient number, since it is larger than the sum of its proper divisors (1).

472421888124281 is an equidigital number, since it uses as much as digits as its factorization.

472421888124281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29360128, while the sum is 62.

The spelling of 472421888124281 in words is "four hundred seventy-two trillion, four hundred twenty-one billion, eight hundred eighty-eight million, one hundred twenty-four thousand, two hundred eighty-one".