Base | Representation |
---|---|
bin | 100111110011101100… |
… | …100000110110111110 |
3 | 11002022211221110200210 |
4 | 213303230200312332 |
5 | 1200014232104303 |
6 | 31345211533250 |
7 | 3042134346312 |
oct | 476354406676 |
9 | 132284843623 |
10 | 42743238078 |
11 | 17144497452 |
12 | 834a75a226 |
13 | 40524c7668 |
14 | 20d6a57b42 |
15 | 11a275d203 |
hex | 9f3b20dbe |
42743238078 has 32 divisors (see below), whose sum is σ = 86466631680. Its totient is φ = 14084459840.
The previous prime is 42743238067. The next prime is 42743238079. The reversal of 42743238078 is 87083234724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42743238079) 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, 3992713 + ... + 4003403.
It is an arithmetic number, because the mean of its divisors is an integer number (2702082240).
Almost surely, 242743238078 is an apocalyptic number.
42743238078 is an abundant number, since it is smaller than the sum of its proper divisors (43723393602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42743238078 is a wasteful number, since it uses less digits than its factorization.
42743238078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18272.
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 42743238078 in words is "forty-two billion, seven hundred forty-three million, two hundred thirty-eight thousand, seventy-eight".
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