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148871693117 = 789619386041
BaseRepresentation
bin1000101010100101110…
…0011100001100111101
3112020021010100120210202
42022221130130030331
54414342123134432
6152220221013245
713520115340550
oct2125134341475
9466233316722
10148871693117
115815520a524
1224a289b4225
131106689a354
1472c39a4697
153d14a06462
hex22a971c33d

148871693117 has 16 divisors (see below), whose sum is σ = 172329148800. Its totient is φ = 125966396160.

The previous prime is 148871693077. The next prime is 148871693129. The reversal of 148871693117 is 711396178841.

148871693117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 148871693117 - 28 = 148871692861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148871693167) 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 15 ways as a sum of consecutive naturals, for example, 192617 + ... + 578657.

It is an arithmetic number, because the mean of its divisors is an integer number (10770571800).

Almost surely, 2148871693117 is an apocalyptic number.

It is an amenable number.

148871693117 is a deficient number, since it is larger than the sum of its proper divisors (23457455683).

148871693117 is an equidigital number, since it uses as much as digits as its factorization.

148871693117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386756.

The product of its digits is 2032128, while the sum is 56.

The spelling of 148871693117 in words is "one hundred forty-eight billion, eight hundred seventy-one million, six hundred ninety-three thousand, one hundred seventeen".

Divisors: 1 7 89 619 623 4333 55091 385637 386041 2702287 34357649 238959379 240503543 1672715653 21267384731 148871693117