Base | Representation |
---|---|
bin | 100111111011110011… |
… | …100100101111110100 |
3 | 11002200022222110210212 |
4 | 213323303210233310 |
5 | 1200304100303430 |
6 | 31410512204552 |
7 | 3045406044044 |
oct | 477363445764 |
9 | 132608873725 |
10 | 42879306740 |
11 | 17204283896 |
12 | 8388239758 |
13 | 407475946a |
14 | 210ab57724 |
15 | 11ae689b95 |
hex | 9fbce4bf4 |
42879306740 has 24 divisors (see below), whose sum is σ = 92140651680. Its totient is φ = 16752845088.
The previous prime is 42879306721. The next prime is 42879306779. The reversal of 42879306740 is 4760397824.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24928970 + ... + 24930689.
It is an arithmetic number, because the mean of its divisors is an integer number (3839193820).
Almost surely, 242879306740 is an apocalyptic number.
It is an amenable number.
42879306740 is an abundant number, since it is smaller than the sum of its proper divisors (49261344940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42879306740 is a wasteful number, since it uses less digits than its factorization.
42879306740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49859711 (or 49859709 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 50.
The spelling of 42879306740 in words is "forty-two billion, eight hundred seventy-nine million, three hundred six thousand, seven hundred forty".
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