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2840100401 is a prime number
BaseRepresentation
bin1010100101001000…
…0111111000110001
321022221011001022202
42221102013320301
521304031203101
61145453112545
7130244312045
oct25122077061
97287131282
102840100401
111228187516
12673188755
1336352a6a8
141cd2a2025
1511950b36b
hexa9487e31

2840100401 has 2 divisors, whose sum is σ = 2840100402. Its totient is φ = 2840100400.

The previous prime is 2840100313. The next prime is 2840100437. The reversal of 2840100401 is 1040010482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2315919376 + 524181025 = 48124^2 + 22895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2840100401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2840100451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420050200 + 1420050201.

It is an arithmetic number, because the mean of its divisors is an integer number (1420050201).

Almost surely, 22840100401 is an apocalyptic number.

It is an amenable number.

2840100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840100401 is an equidigital number, since it uses as much as digits as its factorization.

2840100401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2840100401 is about 53292.5923651684. The cubic root of 2840100401 is about 1416.1564380306.

Adding to 2840100401 its reverse (1040010482), we get a palindrome (3880110883).

The spelling of 2840100401 in words is "two billion, eight hundred forty million, one hundred thousand, four hundred one".