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47146286057 = 133626637389
BaseRepresentation
bin101011111010001000…
…110011101111101001
311111200201001111000212
4223322020303233221
51233023422123212
633354140310505
73256220551013
oct537210635751
9144621044025
1047146286057
1118aa3938582
129179242435
1345a4786ab0
1423d37271b3
15135e099e22
hexafa233be9

47146286057 has 4 divisors (see below), whose sum is σ = 50772923460. Its totient is φ = 43519648656.

The previous prime is 47146286027. The next prime is 47146286071. The reversal of 47146286057 is 75068264174.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27868629721 + 19277656336 = 166939^2 + 138844^2 .

It is a cyclic number.

It is not a de Polignac number, because 47146286057 - 26 = 47146285993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47146285996 and 47146286014.

It is not an unprimeable number, because it can be changed into a prime (47146286027) 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, 1813318682 + ... + 1813318707.

It is an arithmetic number, because the mean of its divisors is an integer number (12693230865).

Almost surely, 247146286057 is an apocalyptic number.

It is an amenable number.

47146286057 is a deficient number, since it is larger than the sum of its proper divisors (3626637403).

47146286057 is a wasteful number, since it uses less digits than its factorization.

47146286057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626637402.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 47146286057 in words is "forty-seven billion, one hundred forty-six million, two hundred eighty-six thousand, fifty-seven".

Divisors: 1 13 3626637389 47146286057