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4862438981 is a prime number
BaseRepresentation
bin1001000011101001…
…01110111001000101
3110112212112111022122
410201310232321011
534424241021411
62122254535325
7231332022641
oct44164567105
913485474278
104862438981
1120757a1414
12b38507545
135c64c673a
14341ad3c21
151d6d329db
hex121d2ee45

4862438981 has 2 divisors, whose sum is σ = 4862438982. Its totient is φ = 4862438980.

The previous prime is 4862438963. The next prime is 4862439013. The reversal of 4862438981 is 1898342684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4249084225 + 613354756 = 65185^2 + 24766^2 .

It is a cyclic number.

It is not a de Polignac number, because 4862438981 - 226 = 4795330117 is a prime.

It is a super-2 number, since 2×48624389812 = 47286625687896636722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4862438281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431219490 + 2431219491.

It is an arithmetic number, because the mean of its divisors is an integer number (2431219491).

Almost surely, 24862438981 is an apocalyptic number.

It is an amenable number.

4862438981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4862438981 is an equidigital number, since it uses as much as digits as its factorization.

4862438981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 53.

The square root of 4862438981 is about 69731.1908761065. The cubic root of 4862438981 is about 1694.1481587957.

The spelling of 4862438981 in words is "four billion, eight hundred sixty-two million, four hundred thirty-eight thousand, nine hundred eighty-one".