Base | Representation |
---|---|
bin | 110101111111110000000… |
… | …0101011001010010001000 |
3 | 222021110022221220201201220 |
4 | 1223333200011121102020 |
5 | 1433042023003441411 |
6 | 23441123150042040 |
7 | 1364106314313666 |
oct | 153774005312210 |
9 | 28243287821656 |
10 | 7421168030856 |
11 | 240133297a618 |
12 | 9ba3321a9320 |
13 | 41aa756216c8 |
14 | 1b928788bc36 |
15 | cd095686b06 |
hex | 6bfe0159488 |
7421168030856 has 64 divisors (see below), whose sum is σ = 18622180502400. Its totient is φ = 2464490147328.
The previous prime is 7421168030791. The next prime is 7421168030867. The reversal of 7421168030856 is 6580308611247.
It is a junction number, because it is equal to n+sod(n) for n = 7421168030799 and 7421168030808.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57859965 + ... + 57988083.
It is an arithmetic number, because the mean of its divisors is an integer number (290971570350).
Almost surely, 27421168030856 is an apocalyptic number.
It is an amenable number.
7421168030856 is an abundant number, since it is smaller than the sum of its proper divisors (11201012471544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7421168030856 is a wasteful number, since it uses less digits than its factorization.
7421168030856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137118 (or 137114 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 7421168030856 in words is "seven trillion, four hundred twenty-one billion, one hundred sixty-eight million, thirty thousand, eight hundred fifty-six".
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