Search a number
-
+
191304740572800 = 27352153113016053
BaseRepresentation
bin101011011111110110011011…
…000110110000111010000000
3221002100112222021222022022120
4223133312123012300322000
5200033314102041312200
61514512103511004240
755203211544551551
oct5337663306607200
9832315867868276
10191304740572800
1155a56980826a88
1219558182669680
138298c623c606a
1435352ad8d0328
15171b41e3309a0
hexadfd9b1b0e80

191304740572800 has 192 divisors, whose sum is σ = 630521605299360. Its totient is φ = 50981272473600.

The previous prime is 191304740572789. The next prime is 191304740572817. The reversal of 191304740572800 is 8275047403191.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8189574 + ... + 21205626.

Almost surely, 2191304740572800 is an apocalyptic number.

191304740572800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191304740572800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315260802649680).

191304740572800 is an abundant number, since it is smaller than the sum of its proper divisors (439216864726560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191304740572800 is a wasteful number, since it uses less digits than its factorization.

191304740572800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13017611 (or 13017594 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

Adding to 191304740572800 its reverse (8275047403191), we get a palindrome (199579787975991).

The spelling of 191304740572800 in words is "one hundred ninety-one trillion, three hundred four billion, seven hundred forty million, five hundred seventy-two thousand, eight hundred".