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190835351785 = 5132517943607
BaseRepresentation
bin1011000110111010101…
…1000110000011101001
3200020120122101022121001
42301232223012003221
511111312322224120
6223400223515001
716534035504001
oct2615653060351
9606518338531
10190835351785
1173a29643371
1230b9a458a61
1314cc3711800
149344c8b001
154e6dac2e0a
hex2c6eac60e9

190835351785 has 24 divisors (see below), whose sum is σ = 248026605120. Its totient is φ = 140894125632.

The previous prime is 190835351767. The next prime is 190835351789. The reversal of 190835351785 is 587153538091.

190835351785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190835351785 - 25 = 190835351753 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (190835351789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4354452 + ... + 4398058.

It is an arithmetic number, because the mean of its divisors is an integer number (10334441880).

Almost surely, 2190835351785 is an apocalyptic number.

It is an amenable number.

190835351785 is a deficient number, since it is larger than the sum of its proper divisors (57191253335).

190835351785 is a wasteful number, since it uses less digits than its factorization.

190835351785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48817 (or 48804 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 190835351785 in words is "one hundred ninety billion, eight hundred thirty-five million, three hundred fifty-one thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 169 845 5179 25895 43607 67327 218035 336635 566891 875251 2834455 4376255 7369583 36847915 225840653 1129203265 2935928489 14679642445 38167070357 190835351785