Search a number
-
+
42408102071 is a prime number
BaseRepresentation
bin100111011111101110…
…000100100010110111
311001110111022210112002
4213133232010202313
51143322433231241
631252040445515
73030624630356
oct473756044267
9131414283462
1042408102071
1116a922a4845
12827647989b
133ccac46c2a
1420a433999d
15118310d89b
hex9dfb848b7

42408102071 has 2 divisors, whose sum is σ = 42408102072. Its totient is φ = 42408102070.

The previous prime is 42408102047. The next prime is 42408102103. The reversal of 42408102071 is 17020180424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42408102071 is a prime.

It is a super-3 number, since 3×424081020713 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42408102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21204051035 + 21204051036.

It is an arithmetic number, because the mean of its divisors is an integer number (21204051036).

Almost surely, 242408102071 is an apocalyptic number.

42408102071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42408102071 is an equidigital number, since it uses as much as digits as its factorization.

42408102071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 42408102071 its reverse (17020180424), we get a palindrome (59428282495).

The spelling of 42408102071 in words is "forty-two billion, four hundred eight million, one hundred two thousand, seventy-one".