Search a number
-
+
42510435461 = 134018154697
BaseRepresentation
bin100111100101110100…
…011100010010000101
311001201121212212112122
4213211310130102011
51144030132413321
631310134055325
73033306511424
oct474564342205
9131647785478
1042510435461
111703503a39a
1282a47aa545
1340161c6830
1420b3b772bb
15118c0c48ab
hex9e5d1c485

42510435461 has 8 divisors (see below), whose sum is σ = 45894640344. Its totient is φ = 39142540800.

The previous prime is 42510435379. The next prime is 42510435463. The reversal of 42510435461 is 16453401524.

It can be written as a sum of positive squares in 4 ways, for example, as 20705483236 + 21804952225 = 143894^2 + 147665^2 .

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-42510435461 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 (42510435463) 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 7 ways as a sum of consecutive naturals, for example, 4072136 + ... + 4082561.

It is an arithmetic number, because the mean of its divisors is an integer number (5736830043).

Almost surely, 242510435461 is an apocalyptic number.

It is an amenable number.

42510435461 is a deficient number, since it is larger than the sum of its proper divisors (3384204883).

42510435461 is a wasteful number, since it uses less digits than its factorization.

42510435461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155111.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 42510435461 its reverse (16453401524), we get a palindrome (58963836985).

The spelling of 42510435461 in words is "forty-two billion, five hundred ten million, four hundred thirty-five thousand, four hundred sixty-one".

Divisors: 1 13 401 5213 8154697 106011061 3270033497 42510435461