Base | Representation |
---|---|
bin | 111111110111100101… |
… | …011011001101011100 |
3 | 20120000100011012220221 |
4 | 333313211123031130 |
5 | 2110422020330242 |
6 | 51300542451124 |
7 | 4645301604016 |
oct | 776745331534 |
9 | 216010135827 |
10 | 68578292572 |
11 | 270a1727259 |
12 | 1135a893aa4 |
13 | 660ba3855a |
14 | 3467c931b6 |
15 | 1bb58ce167 |
hex | ff795b35c |
68578292572 has 12 divisors (see below), whose sum is σ = 120025497256. Its totient is φ = 34285293360.
The previous prime is 68578292551. The next prime is 68578292591. The reversal of 68578292572 is 27529287586.
It is a self number, because there is not a number n which added to its sum of digits gives 68578292572.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922998 + ... + 994525.
Almost surely, 268578292572 is an apocalyptic number.
It is an amenable number.
68578292572 is a deficient number, since it is larger than the sum of its proper divisors (51447204684).
68578292572 is a wasteful number, since it uses less digits than its factorization.
68578292572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1926468 (or 1926466 counting only the distinct ones).
The product of its digits is 33868800, while the sum is 61.
The spelling of 68578292572 in words is "sixty-eight billion, five hundred seventy-eight million, two hundred ninety-two thousand, five hundred seventy-two".
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