Search a number
-
+
8681962244 = 222170490561
BaseRepresentation
bin10000001010111110…
…00011101100000100
3211102001122101020012
420011133003230010
5120240040242434
63553300325352
7425101314164
oct100537035404
924361571205
108681962244
11375581780a
1218236a3858
13a84908287
145c50a85a4
1535c3083ce
hex2057c3b04

8681962244 has 6 divisors (see below), whose sum is σ = 15193433934. Its totient is φ = 4340981120.

The previous prime is 8681962243. The next prime is 8681962253. The reversal of 8681962244 is 4422691868.

It can be written as a sum of positive squares in only one way, i.e., 8201475844 + 480486400 = 90562^2 + 21920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8681962192 and 8681962201.

It is not an unprimeable number, because it can be changed into a prime (8681962243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085245277 + ... + 1085245284.

It is an arithmetic number, because the mean of its divisors is an integer number (2532238989).

Almost surely, 28681962244 is an apocalyptic number.

It is an amenable number.

8681962244 is a deficient number, since it is larger than the sum of its proper divisors (6511471690).

8681962244 is a wasteful number, since it uses less digits than its factorization.

8681962244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170490565 (or 2170490563 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 8681962244 is about 93177.0478390467. The cubic root of 8681962244 is about 2055.2877367575.

The spelling of 8681962244 in words is "eight billion, six hundred eighty-one million, nine hundred sixty-two thousand, two hundred forty-four".

Divisors: 1 2 4 2170490561 4340981122 8681962244