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8961483761 is a prime number
BaseRepresentation
bin10000101100010010…
…10110001111110001
3212010112121112122222
420112021112033301
5121323114440021
64041123410425
7435034232546
oct102611261761
925115545588
108961483761
11388958442a
1218a1223a15
13aca7b5c19
1461026abcd
15376b1e6ab
hex2162563f1

8961483761 has 2 divisors, whose sum is σ = 8961483762. Its totient is φ = 8961483760.

The previous prime is 8961483743. The next prime is 8961483809. The reversal of 8961483761 is 1673841698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8416961536 + 544522225 = 91744^2 + 23335^2 .

It is a cyclic number.

It is not a de Polignac number, because 8961483761 - 26 = 8961483697 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 (8961483701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4480741880 + 4480741881.

It is an arithmetic number, because the mean of its divisors is an integer number (4480741881).

Almost surely, 28961483761 is an apocalyptic number.

It is an amenable number.

8961483761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8961483761 is an equidigital number, since it uses as much as digits as its factorization.

8961483761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 8961483761 is about 94665.1137484131. The cubic root of 8961483761 is about 2077.1122835232.

The spelling of 8961483761 in words is "eight billion, nine hundred sixty-one million, four hundred eighty-three thousand, seven hundred sixty-one".