Search a number
-
+
101030393 is a prime number
BaseRepresentation
bin1100000010110…
…01100111111001
321001002212122102
412001121213321
5201330433033
614005233145
72334513152
oct601314771
9231085572
10101030393
11520356a2
1229a027b5
1317c147c9
14d5bc929
158d09de8
hex60599f9

101030393 has 2 divisors, whose sum is σ = 101030394. Its totient is φ = 101030392.

The previous prime is 101030381. The next prime is 101030417. The reversal of 101030393 is 393030101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81775849 + 19254544 = 9043^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 101030393 - 218 = 100768249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101030093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515196 + 50515197.

It is an arithmetic number, because the mean of its divisors is an integer number (50515197).

Almost surely, 2101030393 is an apocalyptic number.

It is an amenable number.

101030393 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030393 is an equidigital number, since it uses as much as digits as its factorization.

101030393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 101030393 is about 10051.3876156479. The cubic root of 101030393 is about 465.7476591285.

Adding to 101030393 its reverse (393030101), we get a palindrome (494060494).

The spelling of 101030393 in words is "one hundred one million, thirty thousand, three hundred ninety-three".