Base | Representation |
---|---|
bin | 100101010100010001… |
… | …001111010001000110 |
3 | 10211102102222020122011 |
4 | 211110101033101012 |
5 | 1124030014321130 |
6 | 30223543124434 |
7 | 2615635502500 |
oct | 452421172106 |
9 | 124372866564 |
10 | 40068510790 |
11 | 15aa16a2230 |
12 | 7922a4371a |
13 | 3a1731c2a9 |
14 | 1d21722d70 |
15 | 1097a1b52a |
hex | 95444f446 |
40068510790 has 48 divisors (see below), whose sum is σ = 91525708944. Its totient is φ = 12488884800.
The previous prime is 40068510787. The next prime is 40068510799. The reversal of 40068510790 is 9701586004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40068510799) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3711541 + ... + 3722320.
It is an arithmetic number, because the mean of its divisors is an integer number (1906785603).
Almost surely, 240068510790 is an apocalyptic number.
40068510790 is an abundant number, since it is smaller than the sum of its proper divisors (51457198154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40068510790 is a wasteful number, since it uses less digits than its factorization.
40068510790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7433893 (or 7433886 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The spelling of 40068510790 in words is "forty billion, sixty-eight million, five hundred ten thousand, seven hundred ninety".
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