Search a number
-
+
968144213 = 1098882057
BaseRepresentation
bin111001101101001…
…011010101010101
32111110201211012002
4321231023111111
53440321103323
6240022405045
732664042611
oct7155132525
92443654162
10968144213
11457546093
12230290785
131257655ca
1492818341
1559edc828
hex39b4b555

968144213 has 4 divisors (see below), whose sum is σ = 977026380. Its totient is φ = 959262048.

The previous prime is 968144153. The next prime is 968144231. The reversal of 968144213 is 312441869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312441869 = 691452159.

It can be written as a sum of positive squares in 2 ways, for example, as 714920644 + 253223569 = 26738^2 + 15913^2 .

It is a cyclic number.

It is not a de Polignac number, because 968144213 - 220 = 967095637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968144263) 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 in 3 ways as a sum of consecutive naturals, for example, 4440920 + ... + 4441137.

It is an arithmetic number, because the mean of its divisors is an integer number (244256595).

Almost surely, 2968144213 is an apocalyptic number.

It is an amenable number.

968144213 is a deficient number, since it is larger than the sum of its proper divisors (8882167).

968144213 is a wasteful number, since it uses less digits than its factorization.

968144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882166.

The product of its digits is 41472, while the sum is 38.

The square root of 968144213 is about 31115.0158765828. The cubic root of 968144213 is about 989.2666108735.

The spelling of 968144213 in words is "nine hundred sixty-eight million, one hundred forty-four thousand, two hundred thirteen".

Divisors: 1 109 8882057 968144213