Base | Representation |
---|---|
bin | 111111110000110101… |
… | …100011010100010101 |
3 | 20112201110010101212220 |
4 | 333300311203110111 |
5 | 2110204030021243 |
6 | 51241420132553 |
7 | 4642425400662 |
oct | 776065432425 |
9 | 215643111786 |
10 | 68465079573 |
11 | 270438306a0 |
12 | 11328997159 |
13 | 65c1449907 |
14 | 3456c22a69 |
15 | 1baa9b9783 |
hex | ff0d63515 |
68465079573 has 64 divisors (see below), whose sum is σ = 101900021760. Its totient is φ = 40544064000.
The previous prime is 68465079563. The next prime is 68465079589. The reversal of 68465079573 is 37597056486.
It is not a de Polignac number, because 68465079573 - 214 = 68465063189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68465079563) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140585136 + ... + 140585622.
It is an arithmetic number, because the mean of its divisors is an integer number (1592187840).
Almost surely, 268465079573 is an apocalyptic number.
It is an amenable number.
68465079573 is a deficient number, since it is larger than the sum of its proper divisors (33434942187).
68465079573 is a wasteful number, since it uses less digits than its factorization.
68465079573 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1058.
The product of its (nonzero) digits is 38102400, while the sum is 60.
The spelling of 68465079573 in words is "sixty-eight billion, four hundred sixty-five million, seventy-nine thousand, five hundred seventy-three".
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