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419417668885 = 583883533777
BaseRepresentation
bin1100001101001110011…
…11011011110100010101
31111002120221100011010111
412012213033123310111
523332431410401020
6520402224123021
742205363235365
oct6064717336425
91432527304114
10419417668885
11151968381436
1269352166471
1330721495747
141642adc09a5
15ad9b486d5a
hex61a73dbd15

419417668885 has 4 divisors (see below), whose sum is σ = 503301202668. Its totient is φ = 335534135104.

The previous prime is 419417668861. The next prime is 419417668903. The reversal of 419417668885 is 588866714914.

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 298106172081 + 121311496804 = 545991^2 + 348298^2 .

It is a cyclic number.

It is not a de Polignac number, because 419417668885 - 225 = 419384114453 is a prime.

It is a super-2 number, since 2×4194176688852 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 419417668885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41941766884 + ... + 41941766893.

It is an arithmetic number, because the mean of its divisors is an integer number (125825300667).

Almost surely, 2419417668885 is an apocalyptic number.

It is an amenable number.

419417668885 is a deficient number, since it is larger than the sum of its proper divisors (83883533783).

419417668885 is an equidigital number, since it uses as much as digits as its factorization.

419417668885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83883533782.

The product of its digits is 92897280, while the sum is 67.

The spelling of 419417668885 in words is "four hundred nineteen billion, four hundred seventeen million, six hundred sixty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 83883533777 419417668885