Search a number
-
+
368432865641 = 379972118379
BaseRepresentation
bin1010101110010000100…
…11110110000101101001
31022012222201102210102102
411113020103312011221
522014022303200031
6441131122543145
735422052454221
oct5271023660551
91265881383372
10368432865641
11132284825105
125b4a3507ab5
13289876a9909
1413b9197b081
1598b54137cb
hex55c84f6169

368432865641 has 4 divisors (see below), whose sum is σ = 369404984400. Its totient is φ = 367460746884.

The previous prime is 368432865473. The next prime is 368432865643. The reversal of 368432865641 is 146568234863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146568234863 = 587249690349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-368432865641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368432865643) 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 3 ways as a sum of consecutive naturals, for example, 486058811 + ... + 486059568.

It is an arithmetic number, because the mean of its divisors is an integer number (92351246100).

Almost surely, 2368432865641 is an apocalyptic number.

It is an amenable number.

368432865641 is a deficient number, since it is larger than the sum of its proper divisors (972118759).

368432865641 is an equidigital number, since it uses as much as digits as its factorization.

368432865641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972118758.

The product of its digits is 19906560, while the sum is 56.

The spelling of 368432865641 in words is "three hundred sixty-eight billion, four hundred thirty-two million, eight hundred sixty-five thousand, six hundred forty-one".

Divisors: 1 379 972118379 368432865641