Base | Representation |
---|---|
bin | 100000000010010000… |
… | …1000111111101101100 |
3 | 20120120110102202120220 |
4 | 1000010201013331230 |
5 | 2111343042101342 |
6 | 51334253211340 |
7 | 4653545065203 |
oct | 1000441077554 |
9 | 216513382526 |
10 | 68795268972 |
11 | 271a31548a1 |
12 | 113bb490b50 |
13 | 6644987961 |
14 | 3488a1423a |
15 | 1bc998d5ec |
hex | 1004847f6c |
68795268972 has 48 divisors (see below), whose sum is σ = 163975418880. Its totient is φ = 22441940928.
The previous prime is 68795268967. The next prime is 68795269033. The reversal of 68795268972 is 27986259786.
It is a junction number, because it is equal to n+sod(n) for n = 68795268897 and 68795268906.
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, 59983 + ... + 375750.
It is an arithmetic number, because the mean of its divisors is an integer number (3416154560).
Almost surely, 268795268972 is an apocalyptic number.
It is an amenable number.
68795268972 is an abundant number, since it is smaller than the sum of its proper divisors (95180149908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68795268972 is a wasteful number, since it uses less digits than its factorization.
68795268972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 436022 (or 436020 counting only the distinct ones).
The product of its digits is 182891520, while the sum is 69.
The spelling of 68795268972 in words is "sixty-eight billion, seven hundred ninety-five million, two hundred sixty-eight thousand, nine hundred seventy-two".
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