Search a number
-
+
149130101 is a prime number
BaseRepresentation
bin10001110001110…
…00101101110101
3101101121121001002
420320320231311
5301134130401
622444213045
73460404431
oct1070705565
9341547032
10149130101
11771a871a
1241b3a185
1324b85c83
1415b3d9c1
15d15ba6b
hex8e38b75

149130101 has 2 divisors, whose sum is σ = 149130102. Its totient is φ = 149130100.

The previous prime is 149130089. The next prime is 149130127. The reversal of 149130101 is 101031941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86007076 + 63123025 = 9274^2 + 7945^2 .

It is a cyclic number.

It is not a de Polignac number, because 149130101 - 210 = 149129077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149130901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74565050 + 74565051.

It is an arithmetic number, because the mean of its divisors is an integer number (74565051).

Almost surely, 2149130101 is an apocalyptic number.

It is an amenable number.

149130101 is a deficient number, since it is larger than the sum of its proper divisors (1).

149130101 is an equidigital number, since it uses as much as digits as its factorization.

149130101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 149130101 is about 12211.8835975455. The cubic root of 149130101 is about 530.3001752767.

The spelling of 149130101 in words is "one hundred forty-nine million, one hundred thirty thousand, one hundred one".