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47197042894 = 2471645330517
BaseRepresentation
bin101011111101001010…
…011011100011001110
311111211020120012022201
4223331022123203032
51233124420333034
633403152232114
73260405150101
oct537512334316
9144736505281
1047197042894
111901a555981
12919223b63a
1345b2148821
1423da37a738
151363774014
hexafd29b8ce

47197042894 has 16 divisors (see below), whose sum is σ = 72308616768. Its totient is φ = 23094264672.

The previous prime is 47197042859. The next prime is 47197042961. The reversal of 47197042894 is 49824079174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531324 + ... + 1561840.

It is an arithmetic number, because the mean of its divisors is an integer number (4519288548).

Almost surely, 247197042894 is an apocalyptic number.

47197042894 is a deficient number, since it is larger than the sum of its proper divisors (25111573874).

47197042894 is a wasteful number, since it uses less digits than its factorization.

47197042894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47019.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 47197042894 in words is "forty-seven billion, one hundred ninety-seven million, forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 47 94 16453 30517 32906 61034 773291 1434299 1546582 2868598 502096201 1004192402 23598521447 47197042894