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224680428881 is a prime number
BaseRepresentation
bin1101000100111111111…
…1110100010101010001
3210110221100212101010222
43101033333310111101
512140121142211011
6251114453202425
722142535064106
oct3211777642521
9713840771128
10224680428881
1187317276767
1237665030415
131825859474c
14ac35c3caad
155ca006dddb
hex344fff4551

224680428881 has 2 divisors, whose sum is σ = 224680428882. Its totient is φ = 224680428880.

The previous prime is 224680428811. The next prime is 224680428883. The reversal of 224680428881 is 188824086422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216745182481 + 7935246400 = 465559^2 + 89080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-224680428881 is a prime.

It is a super-2 number, since 2×2246804288812 (a number of 24 digits) contains 22 as substring.

Together with 224680428883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224680428883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112340214440 + 112340214441.

It is an arithmetic number, because the mean of its divisors is an integer number (112340214441).

Almost surely, 2224680428881 is an apocalyptic number.

It is an amenable number.

224680428881 is a deficient number, since it is larger than the sum of its proper divisors (1).

224680428881 is an equidigital number, since it uses as much as digits as its factorization.

224680428881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3145728, while the sum is 53.

The spelling of 224680428881 in words is "two hundred twenty-four billion, six hundred eighty million, four hundred twenty-eight thousand, eight hundred eighty-one".