Search a number
-
+
3907149157 is a prime number
BaseRepresentation
bin1110100011100010…
…0101110101100101
3101002021222202001001
43220320211311211
531000212233112
61443411433301
7165552135262
oct35070456545
911067882031
103907149157
111725535a9a
129105b5831
134a3611ca2
14290ca4269
1517d033c57
hexe8e25d65

3907149157 has 2 divisors, whose sum is σ = 3907149158. Its totient is φ = 3907149156.

The previous prime is 3907149131. The next prime is 3907149163. The reversal of 3907149157 is 7519417093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3657951361 + 249197796 = 60481^2 + 15786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3907149157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3907149107) 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, 1953574578 + 1953574579.

It is an arithmetic number, because the mean of its divisors is an integer number (1953574579).

Almost surely, 23907149157 is an apocalyptic number.

It is an amenable number.

3907149157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3907149157 is an equidigital number, since it uses as much as digits as its factorization.

3907149157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 3907149157 is about 62507.1928421042. The cubic root of 3907149157 is about 1575.0221422267.

The spelling of 3907149157 in words is "three billion, nine hundred seven million, one hundred forty-nine thousand, one hundred fifty-seven".