Search a number
-
+
530251135213 = 737263714181
BaseRepresentation
bin1111011011101010110…
…11100011100011101101
31212200200010001121100211
413231311123203203231
532141423242311323
61043332150022421
753211055166002
oct7556533434355
91780603047324
10530251135213
11194972a40098
1286924047a11
133b005562197
141b942b618a9
15dbd681770d
hex7b756e38ed

530251135213 has 4 divisors (see below), whose sum is σ = 537514849468. Its totient is φ = 522987420960.

The previous prime is 530251135181. The next prime is 530251135247. The reversal of 530251135213 is 312531152035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211367304009 + 318883831204 = 459747^2 + 564698^2 .

It is a cyclic number.

It is not a de Polignac number, because 530251135213 - 25 = 530251135181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530251105213) 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, 3631857018 + ... + 3631857163.

It is an arithmetic number, because the mean of its divisors is an integer number (134378712367).

Almost surely, 2530251135213 is an apocalyptic number.

It is an amenable number.

530251135213 is a deficient number, since it is larger than the sum of its proper divisors (7263714255).

530251135213 is an equidigital number, since it uses as much as digits as its factorization.

530251135213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263714254.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 530251135213 its reverse (312531152035), we get a palindrome (842782287248).

The spelling of 530251135213 in words is "five hundred thirty billion, two hundred fifty-one million, one hundred thirty-five thousand, two hundred thirteen".

Divisors: 1 73 7263714181 530251135213