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194760741321 = 3221640082369
BaseRepresentation
bin1011010101100010100…
…1010001000111001001
3200121201012200202201200
42311120221101013021
511142332222210241
6225245530334413
720033231662236
oct2653051210711
9617635622650
10194760741321
11756633a7653
12318b4b8a409
131549aa3c003
1495d833c78d
1550ed50b4b6
hex2d58a511c9

194760741321 has 6 divisors (see below), whose sum is σ = 281321070810. Its totient is φ = 129840494208.

The previous prime is 194760741283. The next prime is 194760741347. The reversal of 194760741321 is 123147067491.

It is a happy number.

194760741321 is a `hidden beast` number, since 1 + 9 + 4 + 7 + 607 + 4 + 1 + 32 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139081260096 + 55679481225 = 372936^2 + 235965^2 .

It is not a de Polignac number, because 194760741321 - 215 = 194760708553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194760741361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10820041176 + ... + 10820041193.

It is an arithmetic number, because the mean of its divisors is an integer number (46886845135).

Almost surely, 2194760741321 is an apocalyptic number.

It is an amenable number.

194760741321 is a deficient number, since it is larger than the sum of its proper divisors (86560329489).

194760741321 is a wasteful number, since it uses less digits than its factorization.

194760741321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21640082375 (or 21640082372 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 194760741321 in words is "one hundred ninety-four billion, seven hundred sixty million, seven hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 3 9 21640082369 64920247107 194760741321