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215297230033 is a prime number
BaseRepresentation
bin1100100010000010110…
…1110000010011010001
3202120201102201111010201
43020200231300103101
512011412042330113
6242523422455201
721361160155204
oct3104055602321
9676642644121
10215297230033
1183341745576
1235886734501
13173c1606292
14a5c599793b
1559013ebcdd
hex3220b704d1

215297230033 has 2 divisors, whose sum is σ = 215297230034. Its totient is φ = 215297230032.

The previous prime is 215297229989. The next prime is 215297230067. The reversal of 215297230033 is 330032792512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197876397889 + 17420832144 = 444833^2 + 131988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-215297230033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215297229974 and 215297230001.

It is not a weakly prime, because it can be changed into another prime (215297230333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107648615016 + 107648615017.

It is an arithmetic number, because the mean of its divisors is an integer number (107648615017).

Almost surely, 2215297230033 is an apocalyptic number.

It is an amenable number.

215297230033 is a deficient number, since it is larger than the sum of its proper divisors (1).

215297230033 is an equidigital number, since it uses as much as digits as its factorization.

215297230033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

It can be divided in two parts, 2152972 and 30033, that added together give a triangular number (2183005 = T2089).

The spelling of 215297230033 in words is "two hundred fifteen billion, two hundred ninety-seven million, two hundred thirty thousand, thirty-three".