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64194093188473 = 379373345373039
BaseRepresentation
bin11101001100010010110100…
…00111110000010101111001
322102021220011201122210021111
432212021122013300111321
531403224000324012343
6344310205335040321
716343604321012643
oct1646113207602571
9272256151583244
1064194093188473
11194aa620082a56
1272492b3b100a1
1329a8627cc7631
1411bd021485893
15764c80655c9d
hex3a625a1f0579

64194093188473 has 8 divisors (see below), whose sum is σ = 64380713916800. Its totient is φ = 64007563214448.

The previous prime is 64194093188431. The next prime is 64194093188503. The reversal of 64194093188473 is 37488139049146.

64194093188473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64194093188473 - 225 = 64194059634041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64194093188399 and 64194093188408.

It is not an unprimeable number, because it can be changed into a prime (64194093188273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21271713 + ... + 24101326.

It is an arithmetic number, because the mean of its divisors is an integer number (8047589239600).

Almost surely, 264194093188473 is an apocalyptic number.

It is an amenable number.

64194093188473 is a deficient number, since it is larger than the sum of its proper divisors (186620728327).

64194093188473 is a wasteful number, since it uses less digits than its factorization.

64194093188473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45377151.

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 64194093188473 in words is "sixty-four trillion, one hundred ninety-four billion, ninety-three million, one hundred eighty-eight thousand, four hundred seventy-three".

Divisors: 1 379 3733 1414807 45373039 17196381781 169377554587 64194093188473