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4782871997 is a prime number
BaseRepresentation
bin1000111010001010…
…01101010110111101
3110100022211001221022
410131011031112331
534243403400442
62110333313525
7226344512141
oct43505152675
913308731838
104782871997
112034896582
12b159358a5
135b2b88497
14335301221
151ced673d2
hex11d14d5bd

4782871997 has 2 divisors, whose sum is σ = 4782871998. Its totient is φ = 4782871996.

The previous prime is 4782871991. The next prime is 4782872027. The reversal of 4782871997 is 7991782874.

4782871997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3484422841 + 1298449156 = 59029^2 + 36034^2 .

It is a cyclic number.

It is not a de Polignac number, because 4782871997 - 24 = 4782871981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4782871991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2391435998 + 2391435999.

It is an arithmetic number, because the mean of its divisors is an integer number (2391435999).

Almost surely, 24782871997 is an apocalyptic number.

It is an amenable number.

4782871997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4782871997 is an equidigital number, since it uses as much as digits as its factorization.

4782871997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 62.

The square root of 4782871997 is about 69158.3111202117. The cubic root of 4782871997 is about 1684.8565063727.

The spelling of 4782871997 in words is "four billion, seven hundred eighty-two million, eight hundred seventy-one thousand, nine hundred ninety-seven".