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227155853957 is a prime number
BaseRepresentation
bin1101001110001110001…
…0110100001010000101
3210201022212210222222012
43103203202310022011
512210203344311312
6252204242144005
722261063620614
oct3234342641205
9721285728865
10227155853957
118837761520a
1238036052005
131856139b306
14adcc8d387b
155d97543322
hex34e38b4285

227155853957 has 2 divisors, whose sum is σ = 227155853958. Its totient is φ = 227155853956.

The previous prime is 227155853941. The next prime is 227155853989. The reversal of 227155853957 is 759358551722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121604940961 + 105550912996 = 348719^2 + 324886^2 .

It is a cyclic number.

It is not a de Polignac number, because 227155853957 - 24 = 227155853941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227155853896 and 227155853905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227155823957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113577926978 + 113577926979.

It is an arithmetic number, because the mean of its divisors is an integer number (113577926979).

Almost surely, 2227155853957 is an apocalyptic number.

It is an amenable number.

227155853957 is a deficient number, since it is larger than the sum of its proper divisors (1).

227155853957 is an equidigital number, since it uses as much as digits as its factorization.

227155853957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460000, while the sum is 59.

The spelling of 227155853957 in words is "two hundred twenty-seven billion, one hundred fifty-five million, eight hundred fifty-three thousand, nine hundred fifty-seven".