Search a number
-
+
56368642471 = 101558105371
BaseRepresentation
bin110100011111110101…
…010011100110100111
312101111102112201200221
4310133311103212213
51410420333024341
641521223345211
74033603361341
oct643765234647
9171442481627
1056368642471
11219a66a1439
12ab118b2207
13541431b21b
142a2a4a0291
1516eda49ed1
hexd1fd539a7

56368642471 has 4 divisors (see below), whose sum is σ = 56926747944. Its totient is φ = 55810537000.

The previous prime is 56368642469. The next prime is 56368642523. The reversal of 56368642471 is 17424686365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17424686365 = 53484937273.

It is a cyclic number.

It is not a de Polignac number, because 56368642471 - 21 = 56368642469 is a prime.

It is a super-3 number, since 3×563686424713 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56368642441) 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, 279052585 + ... + 279052786.

It is an arithmetic number, because the mean of its divisors is an integer number (14231686986).

Almost surely, 256368642471 is an apocalyptic number.

56368642471 is a deficient number, since it is larger than the sum of its proper divisors (558105473).

56368642471 is a wasteful number, since it uses less digits than its factorization.

56368642471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558105472.

The product of its digits is 5806080, while the sum is 52.

The spelling of 56368642471 in words is "fifty-six billion, three hundred sixty-eight million, six hundred forty-two thousand, four hundred seventy-one".

Divisors: 1 101 558105371 56368642471