Search a number
-
+
40731800863 = 133133215451
BaseRepresentation
bin100101111011110011…
…011111010100011111
310220010200001212120011
4211323303133110133
51131404320111423
630413435504051
72641241411005
oct457363372437
9126120055504
1040731800863
1116302048946
127a88bb8027
133ac1877520
141d85862a75
1510d5d8bb0d
hex97bcdf51f

40731800863 has 4 divisors (see below), whose sum is σ = 43865016328. Its totient is φ = 37598585400.

The previous prime is 40731800839. The next prime is 40731800897. The reversal of 40731800863 is 36800813704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40731800863 - 213 = 40731792671 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 (40731800363) 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, 1566607713 + ... + 1566607738.

It is an arithmetic number, because the mean of its divisors is an integer number (10966254082).

Almost surely, 240731800863 is an apocalyptic number.

40731800863 is a deficient number, since it is larger than the sum of its proper divisors (3133215465).

40731800863 is a wasteful number, since it uses less digits than its factorization.

40731800863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133215464.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 40731800863 in words is "forty billion, seven hundred thirty-one million, eight hundred thousand, eight hundred sixty-three".

Divisors: 1 13 3133215451 40731800863