Search a number
-
+
57130713517 = 413109448193
BaseRepresentation
bin110101001101010000…
…011000000110101101
312110110112111221122111
4311031100120012231
51414000430313032
642125005244021
74061516023663
oct651520300655
9173415457574
1057130713517
1122257886719
12b0a4b63611
135506181137
142a9d794c33
1517458cdc47
hexd4d4181ad

57130713517 has 8 divisors (see below), whose sum is σ = 58543100280. Its totient is φ = 55719229440.

The previous prime is 57130713503. The next prime is 57130713569. The reversal of 57130713517 is 71531703175.

It can be written as a sum of positive squares in 4 ways, for example, as 264680361 + 56866033156 = 16269^2 + 238466^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57130713517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57130713517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57130713317) 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, 96628 + ... + 351565.

It is an arithmetic number, because the mean of its divisors is an integer number (7317887535).

Almost surely, 257130713517 is an apocalyptic number.

It is an amenable number.

57130713517 is a deficient number, since it is larger than the sum of its proper divisors (1412386763).

57130713517 is a wasteful number, since it uses less digits than its factorization.

57130713517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451343.

The product of its (nonzero) digits is 77175, while the sum is 40.

The spelling of 57130713517 in words is "fifty-seven billion, one hundred thirty million, seven hundred thirteen thousand, five hundred seventeen".

Divisors: 1 41 3109 127469 448193 18375913 1393432037 57130713517