Search a number
-
+
308934344749 is a prime number
BaseRepresentation
bin1000111111011011110…
…11000000000000101101
31002112102011110202200111
410133231323000000231
520030144143012444
6353531131100021
731214452413562
oct4375573000055
91075364422614
10308934344749
1110a022424798
124ba595a1611
1323194b01b34
1410d49946869
158081c1c234
hex47edec002d

308934344749 has 2 divisors, whose sum is σ = 308934344750. Its totient is φ = 308934344748.

The previous prime is 308934344659. The next prime is 308934344767. The reversal of 308934344749 is 947443439803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241516222249 + 67418122500 = 491443^2 + 259650^2 .

It is a cyclic number.

It is not a de Polignac number, because 308934344749 - 217 = 308934213677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308934344693 and 308934344702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308934344149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154467172374 + 154467172375.

It is an arithmetic number, because the mean of its divisors is an integer number (154467172375).

Almost surely, 2308934344749 is an apocalyptic number.

It is an amenable number.

308934344749 is a deficient number, since it is larger than the sum of its proper divisors (1).

308934344749 is an equidigital number, since it uses as much as digits as its factorization.

308934344749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 308934344749 in words is "three hundred eight billion, nine hundred thirty-four million, three hundred forty-four thousand, seven hundred forty-nine".