Search a number
-
+
15001130533 = 34297437389
BaseRepresentation
bin11011111100010001…
…10001011000100101
31102201110021101111011
431332020301120211
5221210242134113
610520314142221
71040512335304
oct157610613045
942643241434
1015001130533
1163a8824444
122aa7a21971
131550b537cc
14a2443a43b
155cbe8963d
hex37e231625

15001130533 has 4 divisors (see below), whose sum is σ = 15001602220. Its totient is φ = 15000658848.

The previous prime is 15001130489. The next prime is 15001130549. The reversal of 15001130533 is 33503110051.

15001130533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33503110051 = 151221874901.

It can be written as a sum of positive squares in 2 ways, for example, as 9066277089 + 5934853444 = 95217^2 + 77038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15001130533 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 (15001130563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184398 + ... + 252991.

It is an arithmetic number, because the mean of its divisors is an integer number (3750400555).

Almost surely, 215001130533 is an apocalyptic number.

It is an amenable number.

15001130533 is a deficient number, since it is larger than the sum of its proper divisors (471687).

15001130533 is an equidigital number, since it uses as much as digits as its factorization.

15001130533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471686.

The product of its (nonzero) digits is 675, while the sum is 22.

Adding to 15001130533 its reverse (33503110051), we get a palindrome (48504240584).

The spelling of 15001130533 in words is "fifteen billion, one million, one hundred thirty thousand, five hundred thirty-three".

Divisors: 1 34297 437389 15001130533