Search a number
-
+
57691968895009 = 367157198825327
BaseRepresentation
bin11010001111000011101010…
…10011111111100000100001
321120021022001111200020100001
431013201311103333200201
530030211123014120014
6322411154041500001
715103051525304521
oct1507416523774041
9246238044606301
1057691968895009
1117423032461a79
12657910b7a1601
1326264386a44b7
1410364402a1681
156a0a79324974
hex3478754ff821

57691968895009 has 4 divisors (see below), whose sum is σ = 57849167720704. Its totient is φ = 57534770069316.

The previous prime is 57691968895003. The next prime is 57691968895079. The reversal of 57691968895009 is 90059886919675.

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.

It is a cyclic number.

It is not a de Polignac number, because 57691968895009 - 25 = 57691968894977 is a prime.

It is a super-2 number, since 2×576919688950092 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57691968895003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78599412297 + ... + 78599413030.

It is an arithmetic number, because the mean of its divisors is an integer number (14462291930176).

Almost surely, 257691968895009 is an apocalyptic number.

It is an amenable number.

57691968895009 is a deficient number, since it is larger than the sum of its proper divisors (157198825695).

57691968895009 is a wasteful number, since it uses less digits than its factorization.

57691968895009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157198825694.

The product of its (nonzero) digits is 2645395200, while the sum is 82.

The spelling of 57691968895009 in words is "fifty-seven trillion, six hundred ninety-one billion, nine hundred sixty-eight million, eight hundred ninety-five thousand, nine".

Divisors: 1 367 157198825327 57691968895009