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3828142081 is a prime number
BaseRepresentation
bin1110010000101100…
…1101000000000001
3100212210022202201001
43210023031000001
530320001021311
61431510212001
7163602446041
oct34413150001
910783282631
103828142081
111694982895
128aa054001
1349013b83a
142845b9721
151761294c1
hexe42cd001

3828142081 has 2 divisors, whose sum is σ = 3828142082. Its totient is φ = 3828142080.

The previous prime is 3828142061. The next prime is 3828142117. The reversal of 3828142081 is 1802418283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2383001856 + 1445140225 = 48816^2 + 38015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3828142081 - 219 = 3827617793 is a prime.

It is a super-2 number, since 2×38281420812 = 29309343584646021122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3828142081.

It is not a weakly prime, because it can be changed into another prime (3828142001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914071040 + 1914071041.

It is an arithmetic number, because the mean of its divisors is an integer number (1914071041).

Almost surely, 23828142081 is an apocalyptic number.

It is an amenable number.

3828142081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3828142081 is an equidigital number, since it uses as much as digits as its factorization.

3828142081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 3828142081 is about 61871.9813889938. The cubic root of 3828142081 is about 1564.3335130847. Note that the first 3 decimals are identical.

The spelling of 3828142081 in words is "three billion, eight hundred twenty-eight million, one hundred forty-two thousand, eighty-one".