Search a number
-
+
101140201 = 680314867
BaseRepresentation
bin1100000011101…
…00011011101001
321001022110021101
412001310123221
5201342441301
614011441401
72335451251
oct601643351
9231273241
10101140201
1152100148
1229a56261
1317c52796
14d60a961
158d2c701
hex60746e9

101140201 has 4 divisors (see below), whose sum is σ = 101161872. Its totient is φ = 101118532.

The previous prime is 101140187. The next prime is 101140241. The reversal of 101140201 is 102041101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102041101 = 442123081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101140201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101140241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (25290468).

Almost surely, 2101140201 is an apocalyptic number.

It is an amenable number.

101140201 is a deficient number, since it is larger than the sum of its proper divisors (21671).

101140201 is an equidigital number, since it uses as much as digits as its factorization.

101140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21670.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101140201 is about 10056.8484626149. The cubic root of 101140201 is about 465.9163354377.

Adding to 101140201 its reverse (102041101), we get a palindrome (203181302).

The spelling of 101140201 in words is "one hundred one million, one hundred forty thousand, two hundred one".

Divisors: 1 6803 14867 101140201