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47431090765 = 561155511773
BaseRepresentation
bin101100001011000111…
…010000001001001101
311112102112222001122101
4230023013100021031
51234114324401030
633442312515101
73266246422312
oct541307201115
9145375861571
1047431090765
111912a683573
1292386aba91
13461b7943a6
14241d4a2d09
1513790a67ca
hexb0b1d024d

47431090765 has 8 divisors (see below), whose sum is σ = 57850379928. Its totient is φ = 37322825280.

The previous prime is 47431090757. The next prime is 47431090783. The reversal of 47431090765 is 56709013474.

It can be written as a sum of positive squares in 4 ways, for example, as 497334601 + 46933756164 = 22301^2 + 216642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47431090765 - 23 = 47431090757 is a prime.

It is a Duffinian number.

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, 77755582 + ... + 77756191.

It is an arithmetic number, because the mean of its divisors is an integer number (7231297491).

Almost surely, 247431090765 is an apocalyptic number.

It is an amenable number.

47431090765 is a deficient number, since it is larger than the sum of its proper divisors (10419289163).

47431090765 is a wasteful number, since it uses less digits than its factorization.

47431090765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155511839.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 47431090765 in words is "forty-seven billion, four hundred thirty-one million, ninety thousand, seven hundred sixty-five".

Divisors: 1 5 61 305 155511773 777558865 9486218153 47431090765