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65027750047 = 135002134619
BaseRepresentation
bin111100100011111101…
…001011100010011111
320012211220011222012221
4330203331023202133
52031134101000142
645512350210211
74461306520051
oct744375134237
9205756158187
1065027750047
112563a519097
12107297b3967
136194283910
14320c4d98d1
151a58d3b767
hexf23f4b89f

65027750047 has 4 divisors (see below), whose sum is σ = 70029884680. Its totient is φ = 60025615416.

The previous prime is 65027750041. The next prime is 65027750057. The reversal of 65027750047 is 74005772056.

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

It is a de Polignac number, because none of the positive numbers 2k-65027750047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65027749985 and 65027750012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65027750041) 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, 2501067297 + ... + 2501067322.

It is an arithmetic number, because the mean of its divisors is an integer number (17507471170).

Almost surely, 265027750047 is an apocalyptic number.

65027750047 is a deficient number, since it is larger than the sum of its proper divisors (5002134633).

65027750047 is a wasteful number, since it uses less digits than its factorization.

65027750047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002134632.

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 65027750047 in words is "sixty-five billion, twenty-seven million, seven hundred fifty thousand, forty-seven".

Divisors: 1 13 5002134619 65027750047