Search a number
-
+
42501500242 = 221250750121
BaseRepresentation
bin100111100101010010…
…010110110101010010
311001201000001220201121
4213211102112311102
51144020341001432
631305214352454
73033140535265
oct474522266522
9131630056647
1042501500242
111702aa97213
1282a17bb72a
1340143b8816
1420b28cccdc
15118b40c197
hex9e5496d52

42501500242 has 4 divisors (see below), whose sum is σ = 63752250366. Its totient is φ = 21250750120.

The previous prime is 42501500227. The next prime is 42501500297. The reversal of 42501500242 is 24200510524.

42501500242 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.

It can be written as a sum of positive squares in only one way, i.e., 40913557441 + 1587942801 = 202271^2 + 39849^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10625375059 + ... + 10625375062.

Almost surely, 242501500242 is an apocalyptic number.

42501500242 is a deficient number, since it is larger than the sum of its proper divisors (21250750124).

42501500242 is a wasteful number, since it uses less digits than its factorization.

42501500242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250750123.

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 42501500242 in words is "forty-two billion, five hundred one million, five hundred thousand, two hundred forty-two".

Divisors: 1 2 21250750121 42501500242