Search a number
-
+
228851502349 is a prime number
BaseRepresentation
bin1101010100100010011…
…1001100110100001101
3210212201001110212021111
43111020213030310031
512222141441033344
6253044413532021
722351103450131
oct3251047146415
9725631425244
10228851502349
1189067785a18
1238429aa4011
1318771782c62
14b10dba53c1
155e46337834
hex35489ccd0d

228851502349 has 2 divisors, whose sum is σ = 228851502350. Its totient is φ = 228851502348.

The previous prime is 228851502307. The next prime is 228851502371. The reversal of 228851502349 is 943205158822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203405510025 + 25445992324 = 451005^2 + 159518^2 .

It is a cyclic number.

It is not a de Polignac number, because 228851502349 - 211 = 228851500301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228851502149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114425751174 + 114425751175.

It is an arithmetic number, because the mean of its divisors is an integer number (114425751175).

Almost surely, 2228851502349 is an apocalyptic number.

It is an amenable number.

228851502349 is a deficient number, since it is larger than the sum of its proper divisors (1).

228851502349 is an equidigital number, since it uses as much as digits as its factorization.

228851502349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 228851502349 in words is "two hundred twenty-eight billion, eight hundred fifty-one million, five hundred two thousand, three hundred forty-nine".