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1895145049133 = 7894657653203
BaseRepresentation
bin11011100100111111011…
…100101000110000101101
320201011200220202110011022
4123210333130220300231
5222022224113033013
64010341223303525
7253630314061610
oct33447734506055
96634626673138
101895145049133
116707a9a792a6
122673602aaba5
13109932c8064b
1467a22b28177
153446c93e008
hex1b93f728c2d

1895145049133 has 16 divisors (see below), whose sum is σ = 2190689447040. Its totient is φ = 1605810894336.

The previous prime is 1895145049079. The next prime is 1895145049141. The reversal of 1895145049133 is 3319405415981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1895145049133 - 26 = 1895145049069 is a prime.

It is a super-3 number, since 3×18951450491333 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895145048133) 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 15 ways as a sum of consecutive naturals, for example, 2574710 + ... + 3227912.

It is an arithmetic number, because the mean of its divisors is an integer number (136918090440).

Almost surely, 21895145049133 is an apocalyptic number.

It is an amenable number.

1895145049133 is a deficient number, since it is larger than the sum of its proper divisors (295544397907).

1895145049133 is an equidigital number, since it uses as much as digits as its factorization.

1895145049133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657956.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 1895145049133 in words is "one trillion, eight hundred ninety-five billion, one hundred forty-five million, forty-nine thousand, one hundred thirty-three".

Divisors: 1 7 89 623 4657 32599 414473 653203 2901311 4572421 58135067 406945469 3041966371 21293764597 270735007019 1895145049133