Base | Representation |
---|---|
bin | 111111101000101110… |
… | …110111011001001111 |
3 | 20112100222021101102101 |
4 | 333220232313121033 |
5 | 2104414222442241 |
6 | 51220121535531 |
7 | 4636154562346 |
oct | 775056673117 |
9 | 215328241371 |
10 | 68329109071 |
11 | 26a84000a83 |
12 | 112ab3445a7 |
13 | 659c2206b2 |
14 | 3442b4ab5d |
15 | 1b9daabe31 |
hex | fe8bb764f |
68329109071 has 2 divisors, whose sum is σ = 68329109072. Its totient is φ = 68329109070.
The previous prime is 68329109059. The next prime is 68329109209. The reversal of 68329109071 is 17090192386.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68329109071 - 219 = 68328584783 is a prime.
It is a super-2 number, since 2×683291090712 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68329109671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34164554535 + 34164554536.
It is an arithmetic number, because the mean of its divisors is an integer number (34164554536).
Almost surely, 268329109071 is an apocalyptic number.
68329109071 is a deficient number, since it is larger than the sum of its proper divisors (1).
68329109071 is an equidigital number, since it uses as much as digits as its factorization.
68329109071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 163296, while the sum is 46.
The spelling of 68329109071 in words is "sixty-eight billion, three hundred twenty-nine million, one hundred nine thousand, seventy-one".
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