Base | Representation |
---|---|
bin | 100101010000011011… |
… | …011001110110110100 |
3 | 10211020221201011000111 |
4 | 211100123121312310 |
5 | 1123412020113430 |
6 | 30213321552404 |
7 | 2614223646121 |
oct | 452033316664 |
9 | 124227634014 |
10 | 40004066740 |
11 | 15a69286490 |
12 | 7905345704 |
13 | 3a06b77611 |
14 | 1d16d49748 |
15 | 109203bc2a |
hex | 9506d9db4 |
40004066740 has 48 divisors (see below), whose sum is σ = 92175511680. Its totient is φ = 14462833280.
The previous prime is 40004066737. The next prime is 40004066747. The reversal of 40004066740 is 4766040004.
40004066740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40004066747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487480 + ... + 563599.
It is an arithmetic number, because the mean of its divisors is an integer number (1920323160).
Almost surely, 240004066740 is an apocalyptic number.
It is an amenable number.
40004066740 is an abundant number, since it is smaller than the sum of its proper divisors (52171444940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40004066740 is a wasteful number, since it uses less digits than its factorization.
40004066740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051272 (or 1051270 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 31.
The spelling of 40004066740 in words is "forty billion, four million, sixty-six thousand, seven hundred forty".
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