Search a number
-
+
1011443245 = 51910646771
BaseRepresentation
bin111100010010010…
…110011000101101
32121111012122021221
4330102112120231
54032412140440
6244210423341
734031061061
oct7422263055
92544178257
101011443245
11479a2a30a
12242891b51
13131715937
1498489aa1
155dbe1d4a
hex3c49662d

1011443245 has 8 divisors (see below), whose sum is σ = 1277612640. Its totient is φ = 766567440.

The previous prime is 1011443221. The next prime is 1011443263. The reversal of 1011443245 is 5423441101.

1011443245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011443245 - 27 = 1011443117 is a prime.

It is a super-2 number, since 2×10114432452 = 2046034875712260050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323291 + ... + 5323480.

It is an arithmetic number, because the mean of its divisors is an integer number (159701580).

Almost surely, 21011443245 is an apocalyptic number.

It is an amenable number.

1011443245 is a deficient number, since it is larger than the sum of its proper divisors (266169395).

1011443245 is a wasteful number, since it uses less digits than its factorization.

1011443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646795.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1011443245 is about 31803.1955155453. The cubic root of 1011443245 is about 1003.7999570365.

Adding to 1011443245 its reverse (5423441101), we get a palindrome (6434884346).

The spelling of 1011443245 in words is "one billion, eleven million, four hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 19 95 10646771 53233855 202288649 1011443245