[go: up one dir, main page]

Search a number
-
+
8026540141 is a prime number
BaseRepresentation
bin1110111100110101…
…10100100001101101
3202201101100111010111
413132122310201231
5112414243241031
63404244340021
7402622315444
oct73632644155
922641314114
108026540141
113449855454
1216800a4611
139abba6349
14562015d5b
1531e9de1b1
hex1de6b486d

8026540141 has 2 divisors, whose sum is σ = 8026540142. Its totient is φ = 8026540140.

The previous prime is 8026540121. The next prime is 8026540183. The reversal of 8026540141 is 1410456208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5122408041 + 2904132100 = 71571^2 + 53890^2 .

It is a cyclic number.

It is not a de Polignac number, because 8026540141 - 27 = 8026540013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8026540121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013270070 + 4013270071.

It is an arithmetic number, because the mean of its divisors is an integer number (4013270071).

Almost surely, 28026540141 is an apocalyptic number.

It is an amenable number.

8026540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8026540141 is an equidigital number, since it uses as much as digits as its factorization.

8026540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8026540141 is about 89590.9601522386. The cubic root of 8026540141 is about 2002.2092371537.

Adding to 8026540141 its reverse (1410456208), we get a palindrome (9436996349).

The spelling of 8026540141 in words is "eight billion, twenty-six million, five hundred forty thousand, one hundred forty-one".