Search a number
-
+
7040172401 is a prime number
BaseRepresentation
bin1101000111010000…
…01000000101110001
3200011122022210221222
412203220020011301
5103404241004101
63122331154425
7336314322653
oct64350100561
920148283858
107040172401
112a92aa27a9
1214458a5a15
138827300b2
144ab0166d3
152b310201b
hex1a3a08171

7040172401 has 2 divisors, whose sum is σ = 7040172402. Its totient is φ = 7040172400.

The previous prime is 7040172397. The next prime is 7040172427. The reversal of 7040172401 is 1042710407.

It is an a-pointer prime, because the next prime (7040172427) can be obtained adding 7040172401 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6868431376 + 171741025 = 82876^2 + 13105^2 .

It is an emirp because it is prime and its reverse (1042710407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7040172401 - 22 = 7040172397 is a prime.

It is not a weakly prime, because it can be changed into another prime (7040172431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520086200 + 3520086201.

It is an arithmetic number, because the mean of its divisors is an integer number (3520086201).

Almost surely, 27040172401 is an apocalyptic number.

It is an amenable number.

7040172401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040172401 is an equidigital number, since it uses as much as digits as its factorization.

7040172401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 7040172401 is about 83905.7352092215. The cubic root of 7040172401 is about 1916.5835875000.

Adding to 7040172401 its reverse (1042710407), we get a palindrome (8082882808).

The spelling of 7040172401 in words is "seven billion, forty million, one hundred seventy-two thousand, four hundred one".