Base | Representation |
---|---|
bin | 110111001000101100111100… |
… | …110011100010010110101000 |
3 | 1011210120212120100210101221022 |
4 | 313020230330303202112220 |
5 | 223240431201122123010 |
6 | 2215422344535032012 |
7 | 102035236411163066 |
oct | 6710547463422650 |
9 | 1153525510711838 |
10 | 242490578707880 |
11 | 702a0749a67468 |
12 | 2324437020b608 |
13 | a53c9c04005b9 |
14 | 43c486c853036 |
15 | 1d07b0a722d55 |
hex | dc8b3cce25a8 |
242490578707880 has 32 divisors (see below), whose sum is σ = 545604292614240. Its totient is φ = 96996144279360.
The previous prime is 242490578707859. The next prime is 242490578708033. The reversal of 242490578707880 is 88707875094242.
242490578707880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 155721092-1.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60341927 + ... + 64234953.
It is an arithmetic number, because the mean of its divisors is an integer number (17050134144195).
Almost surely, 2242490578707880 is an apocalyptic number.
242490578707880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
242490578707880 is an abundant number, since it is smaller than the sum of its proper divisors (303113713906360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242490578707880 is a wasteful number, since it uses less digits than its factorization.
242490578707880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5450249 (or 5450245 counting only the distinct ones).
The product of its (nonzero) digits is 505774080, while the sum is 71.
The spelling of 242490578707880 in words is "two hundred forty-two trillion, four hundred ninety billion, five hundred seventy-eight million, seven hundred seven thousand, eight hundred eighty".
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