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47298610985 = 59459722197
BaseRepresentation
bin101100000011001101…
…111000011100101001
311112002022200101112212
4230003031320130221
51233331421022420
633421221214505
73263050363013
oct540315703451
9145068611485
1047298610985
111907191854a
129200261435
1345ca1baca2
142409a591b3
15136c6383c5
hexb03378729

47298610985 has 4 divisors (see below), whose sum is σ = 56758333188. Its totient is φ = 37838888784.

The previous prime is 47298610973. The next prime is 47298610987. The reversal of 47298610985 is 58901689274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58901689274 = 229450844637.

It can be written as a sum of positive squares in 2 ways, for example, as 13181565721 + 34117045264 = 114811^2 + 184708^2 .

It is a cyclic number.

It is not a de Polignac number, because 47298610985 - 210 = 47298609961 is a prime.

It is a super-2 number, since 2×472986109852 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47298610987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729861094 + ... + 4729861103.

It is an arithmetic number, because the mean of its divisors is an integer number (14189583297).

Almost surely, 247298610985 is an apocalyptic number.

It is an amenable number.

47298610985 is a deficient number, since it is larger than the sum of its proper divisors (9459722203).

47298610985 is an equidigital number, since it uses as much as digits as its factorization.

47298610985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459722202.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 47298610985 in words is "forty-seven billion, two hundred ninety-eight million, six hundred ten thousand, nine hundred eighty-five".

Divisors: 1 5 9459722197 47298610985