Search a number
-
+
50455302513 = 3711832631581
BaseRepresentation
bin101110111111010111…
…101101000101110001
311211020022112221020220
4232333113231011301
51311313024140023
635102344123253
73434220665220
oct567727550561
9154208487226
1050455302513
111a441780620
129941466529
1349b11a50b5
142628daccb7
1514a482e3e3
hexbbf5ed171

50455302513 has 32 divisors (see below), whose sum is σ = 84884308992. Its totient is φ = 25894747200.

The previous prime is 50455302463. The next prime is 50455302563. The reversal of 50455302513 is 31520355405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50455302463) and next prime (50455302563).

It is not a de Polignac number, because 50455302513 - 28 = 50455302257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50455302563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296618 + ... + 1334963.

It is an arithmetic number, because the mean of its divisors is an integer number (2652634656).

Almost surely, 250455302513 is an apocalyptic number.

It is an amenable number.

50455302513 is a deficient number, since it is larger than the sum of its proper divisors (34429006479).

50455302513 is a wasteful number, since it uses less digits than its factorization.

50455302513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631685.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 50455302513 its reverse (31520355405), we get a palindrome (81975657918).

The spelling of 50455302513 in words is "fifty billion, four hundred fifty-five million, three hundred two thousand, five hundred thirteen".

Divisors: 1 3 7 11 21 33 77 83 231 249 581 913 1743 2739 6391 19173 2631581 7894743 18421067 28947391 55263201 86842173 202631737 218421223 607895211 655263669 1528948561 2402633453 4586845683 7207900359 16818434171 50455302513