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485456181031 = 1728556245943
BaseRepresentation
bin1110001000001110111…
…00010111011100100111
31201102001021110011021201
413010013130113130213
530423203240243111
61011003202423331
750034025311643
oct7040734273447
91642037404251
10485456181031
111779763a3aa8
127a102361b47
1336a16c83c33
14196d3829c23
15c963dcd6c1
hex7107717727

485456181031 has 4 divisors (see below), whose sum is σ = 514012426992. Its totient is φ = 456899935072.

The previous prime is 485456181011. The next prime is 485456181043. The reversal of 485456181031 is 130181654584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485456181031 - 215 = 485456148263 is a prime.

It is a super-2 number, since 2×4854561810312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485456181011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14278122955 + ... + 14278122988.

It is an arithmetic number, because the mean of its divisors is an integer number (128503106748).

Almost surely, 2485456181031 is an apocalyptic number.

485456181031 is a deficient number, since it is larger than the sum of its proper divisors (28556245961).

485456181031 is a wasteful number, since it uses less digits than its factorization.

485456181031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556245960.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 485456181031 in words is "four hundred eighty-five billion, four hundred fifty-six million, one hundred eighty-one thousand, thirty-one".

Divisors: 1 17 28556245943 485456181031