Search a number
-
+
442403520157471 is a prime number
BaseRepresentation
bin110010010010111010001100…
…0101010101001011100011111
32011000102100210222101212122211
41210211310120222221130133
5430441314402130014341
64204525212121421251
7162120412435161055
oct14445643052513437
92130370728355584
10442403520157471
11118a663087692a4
124175092393a827
1315cb161c091512
147b366320a01d5
153622de67b1181
hex1925d18aa971f

442403520157471 has 2 divisors, whose sum is σ = 442403520157472. Its totient is φ = 442403520157470.

The previous prime is 442403520157453. The next prime is 442403520157517. The reversal of 442403520157471 is 174751025304244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442403520157471 - 235 = 442369160419103 is a prime.

It is a super-3 number, since 3×4424035201574713 (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442403520157441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221201760078735 + 221201760078736.

It is an arithmetic number, because the mean of its divisors is an integer number (221201760078736).

Almost surely, 2442403520157471 is an apocalyptic number.

442403520157471 is a deficient number, since it is larger than the sum of its proper divisors (1).

442403520157471 is an equidigital number, since it uses as much as digits as its factorization.

442403520157471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 442403520157471 in words is "four hundred forty-two trillion, four hundred three billion, five hundred twenty million, one hundred fifty-seven thousand, four hundred seventy-one".