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214004636281 is a prime number
BaseRepresentation
bin1100011101001110101…
…0111001101001111001
3202110101100110220212001
43013103222321221321
512001240141330111
6242151250021001
721314143252252
oct3072352715171
9673340426761
10214004636281
1182839046777
1235585877761
13172468923c7
14a502043b29
155877bc11c1
hex31d3ab9a79

214004636281 has 2 divisors, whose sum is σ = 214004636282. Its totient is φ = 214004636280.

The previous prime is 214004636273. The next prime is 214004636291. The reversal of 214004636281 is 182636400412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205625064681 + 8379571600 = 453459^2 + 91540^2 .

It is a cyclic number.

It is not a de Polignac number, because 214004636281 - 23 = 214004636273 is a prime.

It is a super-2 number, since 2×2140046362812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214004636281.

It is not a weakly prime, because it can be changed into another prime (214004636291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107002318140 + 107002318141.

It is an arithmetic number, because the mean of its divisors is an integer number (107002318141).

Almost surely, 2214004636281 is an apocalyptic number.

It is an amenable number.

214004636281 is a deficient number, since it is larger than the sum of its proper divisors (1).

214004636281 is an equidigital number, since it uses as much as digits as its factorization.

214004636281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 214004636281 in words is "two hundred fourteen billion, four million, six hundred thirty-six thousand, two hundred eighty-one".