Search a number
-
+
40216242145 = 536643219503
BaseRepresentation
bin100101011101000100…
…110010011111100001
310211210201221202221211
4211131010302133201
51124330324222040
630250341350121
72622411263242
oct453504623741
9124721852854
1040216242145
1116068024a62
127964408341
133a3bb056b1
141d371bacc9
1510a599d8ea
hex95d1327e1

40216242145 has 8 divisors (see below), whose sum is σ = 48261027456. Its totient is φ = 32171969136.

The previous prime is 40216242133. The next prime is 40216242149. The reversal of 40216242145 is 54124261204.

40216242145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40216242145 is a prime.

It is a super-2 number, since 2×402162421452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40216242149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73464 + ... + 292966.

It is an arithmetic number, because the mean of its divisors is an integer number (6032628432).

Almost surely, 240216242145 is an apocalyptic number.

It is an amenable number.

40216242145 is a deficient number, since it is larger than the sum of its proper divisors (8044785311).

40216242145 is a wasteful number, since it uses less digits than its factorization.

40216242145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256151.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 40216242145 in words is "forty billion, two hundred sixteen million, two hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 36643 183215 219503 1097515 8043248429 40216242145