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314644404881 is a prime number
BaseRepresentation
bin1001001010000100100…
…01001001101010010001
31010002011002221212122002
410211002101021222101
520123342431424011
6400313505323345
731506116212322
oct4450221115221
91102132855562
10314644404881
11111492622454
1250b91936555
1323894ab2b41
141132c040449
1582b8181c3b
hex4942449a91

314644404881 has 2 divisors, whose sum is σ = 314644404882. Its totient is φ = 314644404880.

The previous prime is 314644404839. The next prime is 314644404947. The reversal of 314644404881 is 188404446413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269791942225 + 44852462656 = 519415^2 + 211784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314644404881 is a prime.

It is a super-2 number, since 2×3146444048812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314644401881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157322202440 + 157322202441.

It is an arithmetic number, because the mean of its divisors is an integer number (157322202441).

Almost surely, 2314644404881 is an apocalyptic number.

It is an amenable number.

314644404881 is a deficient number, since it is larger than the sum of its proper divisors (1).

314644404881 is an equidigital number, since it uses as much as digits as its factorization.

314644404881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 314644404881 in words is "three hundred fourteen billion, six hundred forty-four million, four hundred four thousand, eight hundred eighty-one".