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227315188897 is a prime number
BaseRepresentation
bin1101001110110100001…
…0101000010010100001
3210201201222122001102021
43103231002220102201
512211020142021042
6252232133221441
722265040140146
oct3235502502241
9721658561367
10227315188897
1188449552985
123807b491881
13185883b8144
14b005b2c3cd
155da6518867
hex34ed0a84a1

227315188897 has 2 divisors, whose sum is σ = 227315188898. Its totient is φ = 227315188896.

The previous prime is 227315188873. The next prime is 227315188943. The reversal of 227315188897 is 798881513722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203866698256 + 23448490641 = 451516^2 + 153129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227315188897 is a prime.

It is not a weakly prime, because it can be changed into another prime (227315185897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113657594448 + 113657594449.

It is an arithmetic number, because the mean of its divisors is an integer number (113657594449).

Almost surely, 2227315188897 is an apocalyptic number.

It is an amenable number.

227315188897 is a deficient number, since it is larger than the sum of its proper divisors (1).

227315188897 is an equidigital number, since it uses as much as digits as its factorization.

227315188897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 61.

The spelling of 227315188897 in words is "two hundred twenty-seven billion, three hundred fifteen million, one hundred eighty-eight thousand, eight hundred ninety-seven".