Base | Representation |
---|---|
bin | 111111001000001110… |
… | …011001000101011001 |
3 | 20110221222001000200012 |
4 | 333020032121011121 |
5 | 2102310113203101 |
6 | 51050040251305 |
7 | 4616513105450 |
oct | 771016310531 |
9 | 213858030605 |
10 | 67783725401 |
11 | 26824167177 |
12 | 11178770b35 |
13 | 6513238472 |
14 | 33d053db97 |
15 | 1b6ac7bbbb |
hex | fc8399159 |
67783725401 has 16 divisors (see below), whose sum is σ = 79970208384. Its totient is φ = 56246932224.
The previous prime is 67783725353. The next prime is 67783725413. The reversal of 67783725401 is 10452738776.
It is a happy number.
67783725401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 67783725401 - 234 = 50603856217 is a prime.
It is a super-2 number, since 2×677837254012 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 67783725401.
It is not an unprimeable number, because it can be changed into a prime (67783725461) 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, 962426 + ... + 1030451.
It is an arithmetic number, because the mean of its divisors is an integer number (4998138024).
Almost surely, 267783725401 is an apocalyptic number.
It is an amenable number.
67783725401 is a deficient number, since it is larger than the sum of its proper divisors (12186482983).
67783725401 is a wasteful number, since it uses less digits than its factorization.
67783725401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1993040.
The product of its (nonzero) digits is 1975680, while the sum is 50.
The spelling of 67783725401 in words is "sixty-seven billion, seven hundred eighty-three million, seven hundred twenty-five thousand, four hundred one".
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