Search a number
-
+
42517690513 = 131324562523
BaseRepresentation
bin100111100110010000…
…000111100010010001
311001202010112110121021
4213212100013202101
51144034012044023
631310553355441
73033425256244
oct474620074221
9131663473537
1042517690513
1117039145201
1282a7108b81
134017866b6c
1420b4b0525b
15118ca5935d
hex9e6407891

42517690513 has 4 divisors (see below), whose sum is σ = 42842253168. Its totient is φ = 42193127860.

The previous prime is 42517690507. The next prime is 42517690517. The reversal of 42517690513 is 31509671524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42517690513 - 213 = 42517682321 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 42517690513.

It is not an unprimeable number, because it can be changed into a prime (42517690517) 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, 162281131 + ... + 162281392.

It is an arithmetic number, because the mean of its divisors is an integer number (10710563292).

Almost surely, 242517690513 is an apocalyptic number.

It is an amenable number.

42517690513 is a deficient number, since it is larger than the sum of its proper divisors (324562655).

42517690513 is a wasteful number, since it uses less digits than its factorization.

42517690513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324562654.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 42517690513 in words is "forty-two billion, five hundred seventeen million, six hundred ninety thousand, five hundred thirteen".

Divisors: 1 131 324562523 42517690513