Search a number
-
+
49222469381 is a prime number
BaseRepresentation
bin101101110101111000…
…110100011100000101
311201001101202112010112
4231311320310130011
51301301423010011
634340144202405
73361531041431
oct556570643405
9151041675115
1049222469381
1119969889868
129658609405
134845956237
14254d3739c1
1514314aa58b
hexb75e34705

49222469381 has 2 divisors, whose sum is σ = 49222469382. Its totient is φ = 49222469380.

The previous prime is 49222469363. The next prime is 49222469411. The reversal of 49222469381 is 18396422294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42421993156 + 6800476225 = 205966^2 + 82465^2 .

It is a cyclic number.

It is not a de Polignac number, because 49222469381 - 214 = 49222452997 is a prime.

It is a super-2 number, since 2×492224693812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49222469311) 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, 24611234690 + 24611234691.

It is an arithmetic number, because the mean of its divisors is an integer number (24611234691).

Almost surely, 249222469381 is an apocalyptic number.

It is an amenable number.

49222469381 is a deficient number, since it is larger than the sum of its proper divisors (1).

49222469381 is an equidigital number, since it uses as much as digits as its factorization.

49222469381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The spelling of 49222469381 in words is "forty-nine billion, two hundred twenty-two million, four hundred sixty-nine thousand, three hundred eighty-one".