Base | Representation |
---|---|
bin | 100101010010000010… |
… | …100010111111011101 |
3 | 10211022211120211112010 |
4 | 211102002202333131 |
5 | 1123440430324424 |
6 | 30220125301433 |
7 | 2615002530621 |
oct | 452202427735 |
9 | 124284524463 |
10 | 40031104989 |
11 | 15a82573747 |
12 | 7912404879 |
13 | 3a0c653495 |
14 | 1d1a787181 |
15 | 10945cd229 |
hex | 9520a2fdd |
40031104989 has 4 divisors (see below), whose sum is σ = 53374806656. Its totient is φ = 26687403324.
The previous prime is 40031104969. The next prime is 40031105027. The reversal of 40031104989 is 98940113004.
40031104989 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, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 40031104989 - 225 = 39997550557 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 (40031104969) 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, 6671850829 + ... + 6671850834.
It is an arithmetic number, because the mean of its divisors is an integer number (13343701664).
Almost surely, 240031104989 is an apocalyptic number.
It is an amenable number.
40031104989 is a deficient number, since it is larger than the sum of its proper divisors (13343701667).
40031104989 is a wasteful number, since it uses less digits than its factorization.
40031104989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13343701666.
The product of its (nonzero) digits is 31104, while the sum is 39.
The spelling of 40031104989 in words is "forty billion, thirty-one million, one hundred four thousand, nine hundred eighty-nine".
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