Search a number
-
+
57382706317 = 317467338737
BaseRepresentation
bin110101011100010001…
…101001110010001101
312111010002200111210011
4311130101221302031
51420004433100232
642210010313221
74100665645606
oct653421516215
9174102614704
1057382706317
1122377050632
12b155428811
1355464408c1
142ac502cdad
15175caa8547
hexd5c469c8d

57382706317 has 8 divisors (see below), whose sum is σ = 57577529016. Its totient is φ = 57187971072.

The previous prime is 57382706299. The next prime is 57382706363. The reversal of 57382706317 is 71360728375.

57382706317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1680098121 + 55702608196 = 40989^2 + 236014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57382706317 - 219 = 57382182029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57382706617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461973 + ... + 1500709.

It is an arithmetic number, because the mean of its divisors is an integer number (7197191127).

Almost surely, 257382706317 is an apocalyptic number.

It is an amenable number.

57382706317 is a deficient number, since it is larger than the sum of its proper divisors (194822699).

57382706317 is a wasteful number, since it uses less digits than its factorization.

57382706317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43727.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 57382706317 in words is "fifty-seven billion, three hundred eighty-two million, seven hundred six thousand, three hundred seventeen".

Divisors: 1 317 4673 38737 1481341 12279629 181018001 57382706317