Search a number
-
+
385577261490122 = 21321140761128669
BaseRepresentation
bin101011110101011100011001…
…1101101000101111111001010
31212120012211022022020210210222
41113222320303231011333022
5401014244212420140442
63444015425410310042
7144134015661230102
oct12752706355057712
91776184268223728
10385577261490122
11101947442150699
12372b3558888322
131371ba1a132c00
146b30079156202
152e89b3947a8d2
hex15eae33b45fca

385577261490122 has 12 divisors (see below), whose sum is σ = 626277859639830. Its totient is φ = 177958736072208.

The previous prime is 385577261490119. The next prime is 385577261490167. The reversal of 385577261490122 is 221094162775583.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 163337116076281 + 222240145413841 = 12780341^2 + 14907721^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570380563997 + ... + 570380564672.

It is a 1-persistent number, because it is pandigital, but 2⋅385577261490122 = 771154522980244 is not.

Almost surely, 2385577261490122 is an apocalyptic number.

385577261490122 is a deficient number, since it is larger than the sum of its proper divisors (240700598149708).

385577261490122 is a wasteful number, since it uses less digits than its factorization.

385577261490122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140761128697 (or 1140761128684 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 385577261490122 in words is "three hundred eighty-five trillion, five hundred seventy-seven billion, two hundred sixty-one million, four hundred ninety thousand, one hundred twenty-two".

Divisors: 1 2 13 26 169 338 1140761128669 2281522257338 14829894672697 29659789345394 192788630745061 385577261490122