Base | Representation |
---|---|
bin | 111111101110001100… |
… | …010011111001011000 |
3 | 20112121100122101212012 |
4 | 333232030103321120 |
5 | 2110111200322242 |
6 | 51233153205052 |
7 | 4641346321334 |
oct | 775614237130 |
9 | 215540571765 |
10 | 68420714072 |
11 | 27020789197 |
12 | 11315b60788 |
13 | 65b51b5039 |
14 | 3450d947c4 |
15 | 1ba6b54282 |
hex | fee313e58 |
68420714072 has 32 divisors (see below), whose sum is σ = 132843034800. Its totient is φ = 32998224000.
The previous prime is 68420714069. The next prime is 68420714083. The reversal of 68420714072 is 27041702486.
It is a happy number.
It is a super-2 number, since 2×684207140722 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92447 + ... + 381297.
Almost surely, 268420714072 is an apocalyptic number.
It is an amenable number.
68420714072 is a deficient number, since it is larger than the sum of its proper divisors (64422320728).
68420714072 is a wasteful number, since it uses less digits than its factorization.
68420714072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289907 (or 289903 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 41.
The spelling of 68420714072 in words is "sixty-eight billion, four hundred twenty million, seven hundred fourteen thousand, seventy-two".
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