Search a number
-
+
42437815057 = 1129197675299
BaseRepresentation
bin100111100001011111…
…011010101100010001
311001112120020101002001
4213201133122230101
51143403040040212
631255021354001
73031435322221
oct474137325421
9131476211061
1042437815057
1116aa8049630
128284408901
13400414b391
1420a8272081
151185a2c657
hex9e17dab11

42437815057 has 16 divisors (see below), whose sum is σ = 48135384000. Its totient is φ = 37060354240.

The previous prime is 42437814953. The next prime is 42437815081. The reversal of 42437815057 is 75051873424.

It is a cyclic number.

It is not a de Polignac number, because 42437815057 - 27 = 42437814929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42437814998 and 42437815016.

It is not an unprimeable number, because it can be changed into a prime (42437813057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274807 + ... + 400492.

It is an arithmetic number, because the mean of its divisors is an integer number (3008461500).

Almost surely, 242437815057 is an apocalyptic number.

It is an amenable number.

42437815057 is a deficient number, since it is larger than the sum of its proper divisors (5697568943).

42437815057 is a wasteful number, since it uses less digits than its factorization.

42437815057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675536.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 42437815057 in words is "forty-two billion, four hundred thirty-seven million, eight hundred fifteen thousand, fifty-seven".

Divisors: 1 11 29 197 319 2167 5713 62843 675299 7428289 19583671 133033903 215420381 1463372933 3857983187 42437815057